289968021

素因数分解:

$3^2\times 7^1\times {\mathrm{587}}^1\times {\mathrm{7841}}^1$

素因数の和:8441

約数の個数: 24

約数和(自身を含む): 479553984

約数和(自身を除く): 189585963

約数列:

[1, 3, 7, 9, 21, 63, 587, 1761, 4109, 5283, 7841, 12327, 23523, 36981, 54887, 70569, 164661, 493983, 4602667, 13808001, 32218669, 41424003, 96656007, 289968021]

約数ペア:

[(1, 289968021), (3, 96656007), (7, 41424003), (9, 32218669), (21, 13808001), (63, 4602667), (587, 493983), (1761, 164661), (4109, 70569), (5283, 54887), (7841, 36981), (12327, 23523)]