213065525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{727}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 278940480

約数和(自身を除く): 65874955

約数列:

[1, 5, 19, 25, 95, 475, 617, 727, 3085, 3635, 11723, 13813, 15425, 18175, 58615, 69065, 293075, 345325, 448559, 2242795, 8522621, 11213975, 42613105, 213065525]

約数ペア:

[(1, 213065525), (5, 42613105), (19, 11213975), (25, 8522621), (95, 2242795), (475, 448559), (617, 345325), (727, 293075), (3085, 69065), (3635, 58615), (11723, 18175), (13813, 15425)]