18243075

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3079}}^1$

素因数の和:3171

約数の個数: 24

約数和(自身を含む): 30553600

約数和(自身を除く): 12310525

約数列:

[1, 3, 5, 15, 25, 75, 79, 237, 395, 1185, 1975, 3079, 5925, 9237, 15395, 46185, 76975, 230925, 243241, 729723, 1216205, 3648615, 6081025, 18243075]

約数ペア:

[(1, 18243075), (3, 6081025), (5, 3648615), (15, 1216205), (25, 729723), (75, 243241), (79, 230925), (237, 76975), (395, 46185), (1185, 15395), (1975, 9237), (3079, 5925)]