31095657

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{5407}}^1$

素因数の和:5490

約数の個数: 20

約数和(自身を含む): 47114496

約数和(自身を除く): 16018839

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5407, 5751, 16221, 48663, 145989, 383897, 437967, 1151691, 3455073, 10365219, 31095657]

約数ペア:

[(1, 31095657), (3, 10365219), (9, 3455073), (27, 1151691), (71, 437967), (81, 383897), (213, 145989), (639, 48663), (1917, 16221), (5407, 5751)]