2851555

素因数分解:

$5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 4054752

約数和(自身を除く): 1203197

約数列:

[1, 5, 7, 35, 49, 103, 113, 245, 515, 565, 721, 791, 3605, 3955, 5047, 5537, 11639, 25235, 27685, 58195, 81473, 407365, 570311, 2851555]

約数ペア:

[(1, 2851555), (5, 570311), (7, 407365), (35, 81473), (49, 58195), (103, 27685), (113, 25235), (245, 11639), (515, 5537), (565, 5047), (721, 3955), (791, 3605)]