2665025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{881}}^1$

素因数の和:913

約数の個数: 18

約数和(自身を含む): 3636486

約数和(自身を除く): 971461

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 881, 3025, 4405, 9691, 22025, 48455, 106601, 242275, 533005, 2665025]

約数ペア:

[(1, 2665025), (5, 533005), (11, 242275), (25, 106601), (55, 48455), (121, 22025), (275, 9691), (605, 4405), (881, 3025)]