6881225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 9499392

約数和(自身を除く): 2618167

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 683, 775, 2015, 3415, 8879, 10075, 17075, 21173, 44395, 105865, 221975, 275249, 529325, 1376245, 6881225]

約数ペア:

[(1, 6881225), (5, 1376245), (13, 529325), (25, 275249), (31, 221975), (65, 105865), (155, 44395), (325, 21173), (403, 17075), (683, 10075), (775, 8879), (2015, 3415)]