18480875

素因数分解:

$5^3\times 7^1\times {\mathrm{21121}}^1$

素因数の和:21143

約数の個数: 16

約数和(自身を含む): 26360256

約数和(自身を除く): 7879381

約数列:

[1, 5, 7, 25, 35, 125, 175, 875, 21121, 105605, 147847, 528025, 739235, 2640125, 3696175, 18480875]

約数ペア:

[(1, 18480875), (5, 3696175), (7, 2640125), (25, 739235), (35, 528025), (125, 147847), (175, 105605), (875, 21121)]