7139643

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2857}}^1$

素因数の和:2891

約数の個数: 24

約数和(自身を含む): 11729232

約数和(自身を除く): 4589589

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 2857, 8571, 19999, 48569, 59997, 139993, 145707, 339983, 419979, 1019949, 2379881, 7139643]

約数ペア:

[(1, 7139643), (3, 2379881), (7, 1019949), (17, 419979), (21, 339983), (49, 145707), (51, 139993), (119, 59997), (147, 48569), (357, 19999), (833, 8571), (2499, 2857)]