51698331

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{3307}}^1$

素因数の和:3512

約数の個数: 20

約数和(自身を含む): 77651992

約数和(自身を除く): 25953661

約数列:

[1, 3, 9, 27, 81, 193, 579, 1737, 3307, 5211, 9921, 15633, 29763, 89289, 267867, 638251, 1914753, 5744259, 17232777, 51698331]

約数ペア:

[(1, 51698331), (3, 17232777), (9, 5744259), (27, 1914753), (81, 638251), (193, 267867), (579, 89289), (1737, 29763), (3307, 15633), (5211, 9921)]