81653943

素因数分解:

$3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{2447}}^1$

素因数の和:2691

約数の個数: 24

約数和(自身を含む): 127256832

約数和(自身を除く): 45602889

約数列:

[1, 3, 7, 21, 49, 147, 227, 681, 1589, 2447, 4767, 7341, 11123, 17129, 33369, 51387, 119903, 359709, 555469, 1666407, 3888283, 11664849, 27217981, 81653943]

約数ペア:

[(1, 81653943), (3, 27217981), (7, 11664849), (21, 3888283), (49, 1666407), (147, 555469), (227, 359709), (681, 119903), (1589, 51387), (2447, 33369), (4767, 17129), (7341, 11123)]