51467775

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{15959}}^1$

素因数の和:16015

約数の個数: 24

約数和(自身を含む): 87077760

約数和(自身を除く): 35609985

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 15959, 47877, 79795, 239385, 398975, 686237, 1196925, 2058711, 3431185, 10293555, 17155925, 51467775]

約数ペア:

[(1, 51467775), (3, 17155925), (5, 10293555), (15, 3431185), (25, 2058711), (43, 1196925), (75, 686237), (129, 398975), (215, 239385), (645, 79795), (1075, 47877), (3225, 15959)]