16201875

素因数分解:

$3^1\times 5^4\times {\mathrm{8641}}^1$

素因数の和:8664

約数の個数: 20

約数和(自身を含む): 26997608

約数和(自身を除く): 10795733

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 8641, 25923, 43205, 129615, 216025, 648075, 1080125, 3240375, 5400625, 16201875]

約数ペア:

[(1, 16201875), (3, 5400625), (5, 3240375), (15, 1080125), (25, 648075), (75, 216025), (125, 129615), (375, 43205), (625, 25923), (1875, 8641)]