31145985

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17747}}^1$

素因数の和:17774

約数の個数: 32

約数和(自身を含む): 59633280

約数和(自身を除く): 28487295

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 17747, 53241, 88735, 159723, 230711, 266205, 479169, 692133, 798615, 1153555, 2076399, 2395845, 3460665, 6229197, 10381995, 31145985]

約数ペア:

[(1, 31145985), (3, 10381995), (5, 6229197), (9, 3460665), (13, 2395845), (15, 2076399), (27, 1153555), (39, 798615), (45, 692133), (65, 479169), (117, 266205), (135, 230711), (195, 159723), (351, 88735), (585, 53241), (1755, 17747)]