51391875

素因数分解:

$3^1\times 5^4\times {\mathrm{27409}}^1$

素因数の和:27432

約数の個数: 20

約数和(自身を含む): 85628840

約数和(自身を除く): 34236965

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 27409, 82227, 137045, 411135, 685225, 2055675, 3426125, 10278375, 17130625, 51391875]

約数ペア:

[(1, 51391875), (3, 17130625), (5, 10278375), (15, 3426125), (25, 2055675), (75, 685225), (125, 411135), (375, 137045), (625, 82227), (1875, 27409)]