55198125

素因数分解:

$3^3\times 5^4\times {\mathrm{3271}}^1$

素因数の和:3300

約数の個数: 40

約数和(自身を含む): 102217280

約数和(自身を除く): 47019155

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1875, 3271, 3375, 5625, 9813, 16355, 16875, 29439, 49065, 81775, 88317, 147195, 245325, 408875, 441585, 735975, 1226625, 2044375, 2207925, 3679875, 6133125, 11039625, 18399375, 55198125]

約数ペア:

[(1, 55198125), (3, 18399375), (5, 11039625), (9, 6133125), (15, 3679875), (25, 2207925), (27, 2044375), (45, 1226625), (75, 735975), (125, 441585), (135, 408875), (225, 245325), (375, 147195), (625, 88317), (675, 81775), (1125, 49065), (1875, 29439), (3271, 16875), (3375, 16355), (5625, 9813)]