203421285

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{11273}}^1$

素因数の和:11685

約数の個数: 24

約数和(自身を含む): 353507544

約数和(自身を除く): 150086259

約数列:

[1, 3, 5, 9, 15, 45, 401, 1203, 2005, 3609, 6015, 11273, 18045, 33819, 56365, 101457, 169095, 507285, 4520473, 13561419, 22602365, 40684257, 67807095, 203421285]

約数ペア:

[(1, 203421285), (3, 67807095), (5, 40684257), (9, 22602365), (15, 13561419), (45, 4520473), (401, 507285), (1203, 169095), (2005, 101457), (3609, 56365), (6015, 33819), (11273, 18045)]