7427875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 11426688

約数和(自身を除く): 3998813

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 653, 875, 1625, 2275, 3265, 4571, 8489, 11375, 16325, 22855, 42445, 59423, 81625, 114275, 212225, 297115, 571375, 1061125, 1485575, 7427875]

約数ペア:

[(1, 7427875), (5, 1485575), (7, 1061125), (13, 571375), (25, 297115), (35, 212225), (65, 114275), (91, 81625), (125, 59423), (175, 42445), (325, 22855), (455, 16325), (653, 11375), (875, 8489), (1625, 4571), (2275, 3265)]