31655475

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2039}}^1$

素因数の和:2081

約数の個数: 48

約数和(自身を含む): 60710400

約数和(自身を除く): 29054925

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1725, 2039, 3105, 5175, 6117, 10195, 15525, 18351, 30585, 46897, 50975, 55053, 91755, 140691, 152925, 234485, 275265, 422073, 458775, 703455, 1172425, 1266219, 1376325, 2110365, 3517275, 6331095, 10551825, 31655475]

約数ペア:

[(1, 31655475), (3, 10551825), (5, 6331095), (9, 3517275), (15, 2110365), (23, 1376325), (25, 1266219), (27, 1172425), (45, 703455), (69, 458775), (75, 422073), (115, 275265), (135, 234485), (207, 152925), (225, 140691), (345, 91755), (575, 55053), (621, 50975), (675, 46897), (1035, 30585), (1725, 18351), (2039, 15525), (3105, 10195), (5175, 6117)]