12807613

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{487}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 16779392

約数和(自身を除く): 3971779

約数列:

[1, 7, 13, 17, 91, 119, 221, 289, 487, 1547, 2023, 3409, 3757, 6331, 8279, 26299, 44317, 57953, 107627, 140743, 753389, 985201, 1829659, 12807613]

約数ペア:

[(1, 12807613), (7, 1829659), (13, 985201), (17, 753389), (91, 140743), (119, 107627), (221, 57953), (289, 44317), (487, 26299), (1547, 8279), (2023, 6331), (3409, 3757)]