31485975

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{89}}^2$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 53641656

約数和(自身を除く): 22155681

約数列:

[1, 3, 5, 15, 25, 53, 75, 89, 159, 265, 267, 445, 795, 1325, 1335, 2225, 3975, 4717, 6675, 7921, 14151, 23585, 23763, 39605, 70755, 117925, 118815, 198025, 353775, 419813, 594075, 1259439, 2099065, 6297195, 10495325, 31485975]

約数ペア:

[(1, 31485975), (3, 10495325), (5, 6297195), (15, 2099065), (25, 1259439), (53, 594075), (75, 419813), (89, 353775), (159, 198025), (265, 118815), (267, 117925), (445, 70755), (795, 39605), (1325, 23763), (1335, 23585), (2225, 14151), (3975, 7921), (4717, 6675)]