213568325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{1087}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 275220480

約数和(自身を除く): 61652155

約数列:

[1, 5, 25, 29, 145, 271, 725, 1087, 1355, 5435, 6775, 7859, 27175, 31523, 39295, 157615, 196475, 294577, 788075, 1472885, 7364425, 8542733, 42713665, 213568325]

約数ペア:

[(1, 213568325), (5, 42713665), (25, 8542733), (29, 7364425), (145, 1472885), (271, 788075), (725, 294577), (1087, 196475), (1355, 157615), (5435, 39295), (6775, 31523), (7859, 27175)]