40218975

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4157}}^1$

素因数の和:4216

約数の個数: 36

約数和(自身を含む): 73729656

約数和(自身を除く): 33510681

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 4157, 9675, 12471, 20785, 37413, 62355, 103925, 178751, 187065, 311775, 536253, 893755, 935325, 1608759, 2681265, 4468775, 8043795, 13406325, 40218975]

約数ペア:

[(1, 40218975), (3, 13406325), (5, 8043795), (9, 4468775), (15, 2681265), (25, 1608759), (43, 935325), (45, 893755), (75, 536253), (129, 311775), (215, 187065), (225, 178751), (387, 103925), (645, 62355), (1075, 37413), (1935, 20785), (3225, 12471), (4157, 9675)]