220128867

素因数分解:

$3^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{3041}}^1$

素因数の和:3440

約数の個数: 32

約数和(自身を含む): 373800960

約数和(自身を除く): 153672093

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 383, 1149, 2681, 3041, 3447, 8043, 9123, 10341, 21287, 24129, 27369, 63861, 72387, 82107, 191583, 574749, 1164703, 3494109, 8152921, 10482327, 24458763, 31446981, 73376289, 220128867]

約数ペア:

[(1, 220128867), (3, 73376289), (7, 31446981), (9, 24458763), (21, 10482327), (27, 8152921), (63, 3494109), (189, 1164703), (383, 574749), (1149, 191583), (2681, 82107), (3041, 72387), (3447, 63861), (8043, 27369), (9123, 24129), (10341, 21287)]