2009554785

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1867}}^1$

素因数の和:1972

約数の個数: 128

約数和(自身を含む): 4389949440

約数和(自身を除く): 2380394655

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 67, 85, 105, 119, 135, 153, 189, 201, 255, 315, 335, 357, 459, 469, 595, 603, 765, 945, 1005, 1071, 1139, 1407, 1785, 1809, 1867, 2295, 2345, 3015, 3213, 3417, 4221, 5355, 5601, 5695, 7035, 7973, 9045, 9335, 10251, 12663, 13069, 16065, 16803, 17085, 21105, 23919, 28005, 30753, 31739, 39207, 39865, 50409, 51255, 63315, 65345, 71757, 84015, 95217, 117621, 119595, 125089, 153765, 158695, 196035, 215271, 222173, 252045, 285651, 352863, 358785, 375267, 476085, 588105, 625445, 666519, 856953, 875623, 1076355, 1110865, 1125801, 1428255, 1764315, 1876335, 1999557, 2126513, 2626869, 3332595, 3377403, 4284765, 4378115, 5629005, 5998671, 6379539, 7880607, 9997785, 10632565, 13134345, 14885591, 16887015, 19138617, 23641821, 29993355, 31897695, 39403035, 44656773, 57415851, 74427955, 95693085, 118209105, 133970319, 223283865, 287079255, 401910957, 669851595, 2009554785]

約数ペア:

[(1, 2009554785), (3, 669851595), (5, 401910957), (7, 287079255), (9, 223283865), (15, 133970319), (17, 118209105), (21, 95693085), (27, 74427955), (35, 57415851), (45, 44656773), (51, 39403035), (63, 31897695), (67, 29993355), (85, 23641821), (105, 19138617), (119, 16887015), (135, 14885591), (153, 13134345), (189, 10632565), (201, 9997785), (255, 7880607), (315, 6379539), (335, 5998671), (357, 5629005), (459, 4378115), (469, 4284765), (595, 3377403), (603, 3332595), (765, 2626869), (945, 2126513), (1005, 1999557), (1071, 1876335), (1139, 1764315), (1407, 1428255), (1785, 1125801), (1809, 1110865), (1867, 1076355), (2295, 875623), (2345, 856953), (3015, 666519), (3213, 625445), (3417, 588105), (4221, 476085), (5355, 375267), (5601, 358785), (5695, 352863), (7035, 285651), (7973, 252045), (9045, 222173), (9335, 215271), (10251, 196035), (12663, 158695), (13069, 153765), (16065, 125089), (16803, 119595), (17085, 117621), (21105, 95217), (23919, 84015), (28005, 71757), (30753, 65345), (31739, 63315), (39207, 51255), (39865, 50409)]