3980325

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 6680128

約数和(自身を除く): 2699803

約数列:

[1, 3, 5, 15, 25, 73, 75, 219, 365, 727, 1095, 1825, 2181, 3635, 5475, 10905, 18175, 53071, 54525, 159213, 265355, 796065, 1326775, 3980325]

約数ペア:

[(1, 3980325), (3, 1326775), (5, 796065), (15, 265355), (25, 159213), (73, 54525), (75, 53071), (219, 18175), (365, 10905), (727, 5475), (1095, 3635), (1825, 2181)]