18153325

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 23766336

約数和(自身を除く): 5613011

約数列:

[1, 5, 23, 25, 115, 131, 241, 575, 655, 1205, 3013, 3275, 5543, 6025, 15065, 27715, 31571, 75325, 138575, 157855, 726133, 789275, 3630665, 18153325]

約数ペア:

[(1, 18153325), (5, 3630665), (23, 789275), (25, 726133), (115, 157855), (131, 138575), (241, 75325), (575, 31571), (655, 27715), (1205, 15065), (3013, 6025), (3275, 5543)]