7972911

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:652

約数の個数: 20

約数和(自身を含む): 11987712

約数和(自身を除く): 4014801

約数列:

[1, 3, 9, 27, 81, 257, 383, 771, 1149, 2313, 3447, 6939, 10341, 20817, 31023, 98431, 295293, 885879, 2657637, 7972911]

約数ペア:

[(1, 7972911), (3, 2657637), (9, 885879), (27, 295293), (81, 98431), (257, 31023), (383, 20817), (771, 10341), (1149, 6939), (2313, 3447)]