17420529

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6971}}^1$

素因数の和:7005

約数の個数: 24

約数和(自身を含む): 28613088

約数和(自身を除く): 11192559

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 6971, 20913, 48797, 118507, 146391, 341579, 355521, 829549, 1024737, 2488647, 5806843, 17420529]

約数ペア:

[(1, 17420529), (3, 5806843), (7, 2488647), (17, 1024737), (21, 829549), (49, 355521), (51, 341579), (119, 146391), (147, 118507), (357, 48797), (833, 20913), (2499, 6971)]