1629005

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 2332440

約数和(自身を除く): 703435

約数列:

[1, 5, 7, 35, 49, 61, 109, 245, 305, 427, 545, 763, 2135, 2989, 3815, 5341, 6649, 14945, 26705, 33245, 46543, 232715, 325801, 1629005]

約数ペア:

[(1, 1629005), (5, 325801), (7, 232715), (35, 46543), (49, 33245), (61, 26705), (109, 14945), (245, 6649), (305, 5341), (427, 3815), (545, 2989), (763, 2135)]