12909687

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1657}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 20413296

約数和(自身を除く): 7503609

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 1657, 2597, 4971, 7791, 11599, 34797, 81193, 87821, 243579, 263463, 614747, 1844241, 4303229, 12909687]

約数ペア:

[(1, 12909687), (3, 4303229), (7, 1844241), (21, 614747), (49, 263463), (53, 243579), (147, 87821), (159, 81193), (371, 34797), (1113, 11599), (1657, 7791), (2597, 4971)]