81480175

素因数分解:

$5^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{827}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 115814016

約数和(自身を除く): 34333841

約数列:

[1, 5, 7, 25, 35, 175, 563, 827, 2815, 3941, 4135, 5789, 14075, 19705, 20675, 28945, 98525, 144725, 465601, 2328005, 3259207, 11640025, 16296035, 81480175]

約数ペア:

[(1, 81480175), (5, 16296035), (7, 11640025), (25, 3259207), (35, 2328005), (175, 465601), (563, 144725), (827, 98525), (2815, 28945), (3941, 20675), (4135, 19705), (5789, 14075)]