6440217

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 10084896

約数和(自身を除く): 3644679

約数列:

[1, 3, 7, 21, 49, 147, 193, 227, 579, 681, 1351, 1589, 4053, 4767, 9457, 11123, 28371, 33369, 43811, 131433, 306677, 920031, 2146739, 6440217]

約数ペア:

[(1, 6440217), (3, 2146739), (7, 920031), (21, 306677), (49, 131433), (147, 43811), (193, 33369), (227, 28371), (579, 11123), (681, 9457), (1351, 4767), (1589, 4053)]