1657679985

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 3429740160

約数和(自身を除く): 1772060175

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 73, 81, 95, 117, 135, 171, 195, 219, 227, 247, 285, 351, 365, 405, 513, 585, 657, 681, 741, 855, 949, 1053, 1095, 1135, 1235, 1387, 1539, 1755, 1971, 2043, 2223, 2565, 2847, 2951, 3285, 3405, 3705, 4161, 4313, 4745, 5265, 5913, 6129, 6669, 6935, 7695, 8541, 8853, 9855, 10215, 11115, 12483, 12939, 14235, 14755, 16571, 18031, 18387, 20007, 20805, 21565, 25623, 26559, 29565, 30645, 33345, 37449, 38817, 42705, 44265, 49713, 54093, 56069, 62415, 64695, 76869, 79677, 82855, 90155, 91935, 100035, 112347, 116451, 128115, 132795, 149139, 162279, 168207, 187245, 194085, 215423, 239031, 248565, 270465, 280345, 314849, 349353, 384345, 398385, 447417, 486837, 504621, 561735, 582255, 646269, 745695, 811395, 841035, 944547, 1077115, 1195155, 1342251, 1460511, 1513863, 1574245, 1746765, 1938807, 2237085, 2434185, 2523105, 2833641, 3231345, 4093037, 4541589, 4722735, 5816421, 6711255, 7302555, 7569315, 8500923, 9694035, 12279111, 14168205, 17449263, 20465185, 22707945, 25502769, 29082105, 36837333, 42504615, 61395555, 87246315, 110511999, 127513845, 184186665, 331535997, 552559995, 1657679985]

約数ペア:

[(1, 1657679985), (3, 552559995), (5, 331535997), (9, 184186665), (13, 127513845), (15, 110511999), (19, 87246315), (27, 61395555), (39, 42504615), (45, 36837333), (57, 29082105), (65, 25502769), (73, 22707945), (81, 20465185), (95, 17449263), (117, 14168205), (135, 12279111), (171, 9694035), (195, 8500923), (219, 7569315), (227, 7302555), (247, 6711255), (285, 5816421), (351, 4722735), (365, 4541589), (405, 4093037), (513, 3231345), (585, 2833641), (657, 2523105), (681, 2434185), (741, 2237085), (855, 1938807), (949, 1746765), (1053, 1574245), (1095, 1513863), (1135, 1460511), (1235, 1342251), (1387, 1195155), (1539, 1077115), (1755, 944547), (1971, 841035), (2043, 811395), (2223, 745695), (2565, 646269), (2847, 582255), (2951, 561735), (3285, 504621), (3405, 486837), (3705, 447417), (4161, 398385), (4313, 384345), (4745, 349353), (5265, 314849), (5913, 280345), (6129, 270465), (6669, 248565), (6935, 239031), (7695, 215423), (8541, 194085), (8853, 187245), (9855, 168207), (10215, 162279), (11115, 149139), (12483, 132795), (12939, 128115), (14235, 116451), (14755, 112347), (16571, 100035), (18031, 91935), (18387, 90155), (20007, 82855), (20805, 79677), (21565, 76869), (25623, 64695), (26559, 62415), (29565, 56069), (30645, 54093), (33345, 49713), (37449, 44265), (38817, 42705)]