15665981175

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31321}}^1$

素因数の和:31375

約数の個数: 120

約数和(自身を含む): 32896870160

約数和(自身を除く): 17230888985

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 27, 39, 45, 57, 65, 75, 81, 95, 117, 135, 171, 195, 225, 247, 285, 325, 351, 405, 475, 513, 585, 675, 741, 855, 975, 1053, 1235, 1425, 1539, 1755, 2025, 2223, 2565, 2925, 3705, 4275, 5265, 6175, 6669, 7695, 8775, 11115, 12825, 18525, 20007, 26325, 31321, 33345, 38475, 55575, 93963, 100035, 156605, 166725, 281889, 407173, 469815, 500175, 595099, 783025, 845667, 1221519, 1409445, 1785297, 2035865, 2349075, 2537001, 2975495, 3664557, 4228335, 5355891, 6107595, 7047225, 7736287, 8926485, 10179325, 10993671, 12685005, 14877475, 16067673, 18322785, 21141675, 23208861, 26779455, 30537975, 32981013, 38681435, 44632425, 48203019, 54968355, 63425025, 69626583, 80338365, 91613925, 116044305, 133897275, 164905065, 193407175, 208879749, 241015095, 274841775, 348132915, 401691825, 580221525, 626639247, 824525325, 1044398745, 1205075475, 1740664575, 3133196235, 5221993725, 15665981175]

約数ペア:

[(1, 15665981175), (3, 5221993725), (5, 3133196235), (9, 1740664575), (13, 1205075475), (15, 1044398745), (19, 824525325), (25, 626639247), (27, 580221525), (39, 401691825), (45, 348132915), (57, 274841775), (65, 241015095), (75, 208879749), (81, 193407175), (95, 164905065), (117, 133897275), (135, 116044305), (171, 91613925), (195, 80338365), (225, 69626583), (247, 63425025), (285, 54968355), (325, 48203019), (351, 44632425), (405, 38681435), (475, 32981013), (513, 30537975), (585, 26779455), (675, 23208861), (741, 21141675), (855, 18322785), (975, 16067673), (1053, 14877475), (1235, 12685005), (1425, 10993671), (1539, 10179325), (1755, 8926485), (2025, 7736287), (2223, 7047225), (2565, 6107595), (2925, 5355891), (3705, 4228335), (4275, 3664557), (5265, 2975495), (6175, 2537001), (6669, 2349075), (7695, 2035865), (8775, 1785297), (11115, 1409445), (12825, 1221519), (18525, 845667), (20007, 783025), (26325, 595099), (31321, 500175), (33345, 469815), (38475, 407173), (55575, 281889), (93963, 166725), (100035, 156605)]