30747745

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3061}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 43982568

約数和(自身を除く): 13234823

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 3061, 10045, 15305, 21427, 107135, 125501, 149989, 627505, 749945, 878507, 4392535, 6149549, 30747745]

約数ペア:

[(1, 30747745), (5, 6149549), (7, 4392535), (35, 878507), (41, 749945), (49, 627505), (205, 149989), (245, 125501), (287, 107135), (1435, 21427), (2009, 15305), (3061, 10045)]