247163399

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{11813}}^1$

素因数の和:11895

約数の個数: 16

約数和(自身を含む): 292987200

約数和(自身を除く): 45823801

約数列:

[1, 7, 49, 61, 343, 427, 2989, 11813, 20923, 82691, 578837, 720593, 4051859, 5044151, 35309057, 247163399]

約数ペア:

[(1, 247163399), (7, 35309057), (49, 5044151), (61, 4051859), (343, 720593), (427, 578837), (2989, 82691), (11813, 20923)]