389727821

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{62627}}^1$

素因数の和:62768

約数の個数: 12

約数和(自身を含む): 456933888

約数和(自身を除く): 67206067

約数列:

[1, 7, 49, 127, 889, 6223, 62627, 438389, 3068723, 7953629, 55675403, 389727821]

約数ペア:

[(1, 389727821), (7, 55675403), (49, 7953629), (127, 3068723), (889, 438389), (6223, 62627)]