30860991

素因数分解:

$3^2\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1279}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 51118080

約数和(自身を除く): 20257089

約数列:

[1, 3, 7, 9, 21, 63, 383, 1149, 1279, 2681, 3447, 3837, 8043, 8953, 11511, 24129, 26859, 80577, 489857, 1469571, 3428999, 4408713, 10286997, 30860991]

約数ペア:

[(1, 30860991), (3, 10286997), (7, 4408713), (9, 3428999), (21, 1469571), (63, 489857), (383, 80577), (1149, 26859), (1279, 24129), (2681, 11511), (3447, 8953), (3837, 8043)]