18320025

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{8423}}^1$

素因数の和:8465

約数の個数: 24

約数和(自身を含む): 31337280

約数和(自身を除く): 13017255

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 8423, 25269, 42115, 126345, 210575, 244267, 631725, 732801, 1221335, 3664005, 6106675, 18320025]

約数ペア:

[(1, 18320025), (3, 6106675), (5, 3664005), (15, 1221335), (25, 732801), (29, 631725), (75, 244267), (87, 210575), (145, 126345), (435, 42115), (725, 25269), (2175, 8423)]