87201025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 110830208

約数和(自身を除く): 23629183

約数列:

[1, 5, 25, 61, 211, 271, 305, 1055, 1355, 1525, 5275, 6775, 12871, 16531, 57181, 64355, 82655, 285905, 321775, 413275, 1429525, 3488041, 17440205, 87201025]

約数ペア:

[(1, 87201025), (5, 17440205), (25, 3488041), (61, 1429525), (211, 413275), (271, 321775), (305, 285905), (1055, 82655), (1355, 64355), (1525, 57181), (5275, 16531), (6775, 12871)]