321020575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{9421}}^1$

素因数の和:9507

約数の個数: 24

約数和(自身を含む): 420598080

約数和(自身を除く): 99577505

約数列:

[1, 5, 25, 29, 47, 145, 235, 725, 1175, 1363, 6815, 9421, 34075, 47105, 235525, 273209, 442787, 1366045, 2213935, 6830225, 11069675, 12840823, 64204115, 321020575]

約数ペア:

[(1, 321020575), (5, 64204115), (25, 12840823), (29, 11069675), (47, 6830225), (145, 2213935), (235, 1366045), (725, 442787), (1175, 273209), (1363, 235525), (6815, 47105), (9421, 34075)]