31972785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1451}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 55617408

約数和(自身を除く): 23644623

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 1451, 1469, 1695, 4353, 4407, 7255, 7345, 18863, 21765, 22035, 56589, 94315, 163963, 282945, 491889, 819815, 2131519, 2459445, 6394557, 10657595, 31972785]

約数ペア:

[(1, 31972785), (3, 10657595), (5, 6394557), (13, 2459445), (15, 2131519), (39, 819815), (65, 491889), (113, 282945), (195, 163963), (339, 94315), (565, 56589), (1451, 22035), (1469, 21765), (1695, 18863), (4353, 7345), (4407, 7255)]