643017753

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 1081575040

約数和(自身を除く): 438557287

約数列:

[1, 3, 7, 9, 21, 63, 97, 139, 291, 417, 679, 757, 873, 973, 1251, 2037, 2271, 2919, 5299, 6111, 6813, 8757, 13483, 15897, 40449, 47691, 73429, 94381, 105223, 121347, 220287, 283143, 315669, 514003, 660861, 736561, 849429, 947007, 1542009, 2209683, 4626027, 6629049, 10206631, 30619893, 71446417, 91859679, 214339251, 643017753]

約数ペア:

[(1, 643017753), (3, 214339251), (7, 91859679), (9, 71446417), (21, 30619893), (63, 10206631), (97, 6629049), (139, 4626027), (291, 2209683), (417, 1542009), (679, 947007), (757, 849429), (873, 736561), (973, 660861), (1251, 514003), (2037, 315669), (2271, 283143), (2919, 220287), (5299, 121347), (6111, 105223), (6813, 94381), (8757, 73429), (13483, 47691), (15897, 40449)]