81016575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{193}}^2$

素因数の和:428

約数の個数: 36

約数和(自身を含む): 139287960

約数和(自身を除く): 58271385

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 193, 435, 579, 725, 965, 2175, 2895, 4825, 5597, 14475, 16791, 27985, 37249, 83955, 111747, 139925, 186245, 419775, 558735, 931225, 1080221, 2793675, 3240663, 5401105, 16203315, 27005525, 81016575]

約数ペア:

[(1, 81016575), (3, 27005525), (5, 16203315), (15, 5401105), (25, 3240663), (29, 2793675), (75, 1080221), (87, 931225), (145, 558735), (193, 419775), (435, 186245), (579, 139925), (725, 111747), (965, 83955), (2175, 37249), (2895, 27985), (4825, 16791), (5597, 14475)]