2158107

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 3422736

約数和(自身を除く): 1264629

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 277, 371, 831, 1113, 1939, 2597, 5817, 7791, 13573, 14681, 40719, 44043, 102767, 308301, 719369, 2158107]

約数ペア:

[(1, 2158107), (3, 719369), (7, 308301), (21, 102767), (49, 44043), (53, 40719), (147, 14681), (159, 13573), (277, 7791), (371, 5817), (831, 2597), (1113, 1939)]