221874429

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{821}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 358891776

約数和(自身を除く): 137017347

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 757, 821, 2271, 2463, 5299, 5747, 12869, 13957, 15897, 17241, 38607, 41871, 90083, 97699, 270249, 293097, 621497, 1864491, 4350479, 10565449, 13051437, 31696347, 73958143, 221874429]

約数ペア:

[(1, 221874429), (3, 73958143), (7, 31696347), (17, 13051437), (21, 10565449), (51, 4350479), (119, 1864491), (357, 621497), (757, 293097), (821, 270249), (2271, 97699), (2463, 90083), (5299, 41871), (5747, 38607), (12869, 17241), (13957, 15897)]