19982175

素因数分解:

$3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1697}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 33267216

約数和(自身を除く): 13285041

約数列:

[1, 3, 5, 15, 25, 75, 157, 471, 785, 1697, 2355, 3925, 5091, 8485, 11775, 25455, 42425, 127275, 266429, 799287, 1332145, 3996435, 6660725, 19982175]

約数ペア:

[(1, 19982175), (3, 6660725), (5, 3996435), (15, 1332145), (25, 799287), (75, 266429), (157, 127275), (471, 42425), (785, 25455), (1697, 11775), (2355, 8485), (3925, 5091)]