2169965

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 3213432

約数和(自身を除く): 1043467

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 521, 595, 833, 2605, 3647, 4165, 8857, 18235, 25529, 44285, 61999, 127645, 309995, 433993, 2169965]

約数ペア:

[(1, 2169965), (5, 433993), (7, 309995), (17, 127645), (35, 61999), (49, 44285), (85, 25529), (119, 18235), (245, 8857), (521, 4165), (595, 3647), (833, 2605)]