3961875

素因数分解:

$3^1\times 5^4\times {\mathrm{2113}}^1$

素因数の和:2136

約数の個数: 20

約数和(自身を含む): 6604136

約数和(自身を除く): 2642261

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 2113, 6339, 10565, 31695, 52825, 158475, 264125, 792375, 1320625, 3961875]

約数ペア:

[(1, 3961875), (3, 1320625), (5, 792375), (15, 264125), (25, 158475), (75, 52825), (125, 31695), (375, 10565), (625, 6339), (1875, 2113)]