561571425

素因数分解:

$3^2\times 5^2\times {\mathrm{881}}^1\times {\mathrm{2833}}^1$

素因数の和:3730

約数の個数: 36

約数和(自身を含む): 1007333964

約数和(自身を除く): 445762539

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 881, 2643, 2833, 4405, 7929, 8499, 13215, 14165, 22025, 25497, 39645, 42495, 66075, 70825, 127485, 198225, 212475, 637425, 2495873, 7487619, 12479365, 22462857, 37438095, 62396825, 112314285, 187190475, 561571425]

約数ペア:

[(1, 561571425), (3, 187190475), (5, 112314285), (9, 62396825), (15, 37438095), (25, 22462857), (45, 12479365), (75, 7487619), (225, 2495873), (881, 637425), (2643, 212475), (2833, 198225), (4405, 127485), (7929, 70825), (8499, 66075), (13215, 42495), (14165, 39645), (22025, 25497)]