54816025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{18121}}^1$

素因数の和:18153

約数の個数: 18

約数和(自身を含む): 74717006

約数和(自身を除く): 19900981

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 18121, 90605, 199331, 453025, 996655, 2192641, 4983275, 10963205, 54816025]

約数ペア:

[(1, 54816025), (5, 10963205), (11, 4983275), (25, 2192641), (55, 996655), (121, 453025), (275, 199331), (605, 90605), (3025, 18121)]