72647057

素因数分解:

$7^4\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:490

約数の個数: 20

約数和(自身を含む): 86046720

約数和(自身を除く): 13399663

約数列:

[1, 7, 49, 79, 343, 383, 553, 2401, 2681, 3871, 18767, 27097, 30257, 131369, 189679, 211799, 919583, 1482593, 10378151, 72647057]

約数ペア:

[(1, 72647057), (7, 10378151), (49, 1482593), (79, 919583), (343, 211799), (383, 189679), (553, 131369), (2401, 30257), (2681, 27097), (3871, 18767)]