51397497

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{3221}}^1$

素因数の和:3430

約数の個数: 20

約数和(自身を含む): 77192676

約数和(自身を除く): 25795179

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 3221, 5319, 9663, 15957, 28989, 86967, 260901, 634537, 1903611, 5710833, 17132499, 51397497]

約数ペア:

[(1, 51397497), (3, 17132499), (9, 5710833), (27, 1903611), (81, 634537), (197, 260901), (591, 86967), (1773, 28989), (3221, 15957), (5319, 9663)]