6721265

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 8426496

約数和(自身を除く): 1705231

約数列:

[1, 5, 31, 103, 155, 421, 515, 2105, 3193, 13051, 15965, 43363, 65255, 216815, 1344253, 6721265]

約数ペア:

[(1, 6721265), (5, 1344253), (31, 216815), (103, 65255), (155, 43363), (421, 15965), (515, 13051), (2105, 3193)]