521001

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 835016

約数和(自身を除く): 314015

約数列:

[1, 3, 9, 13, 39, 61, 73, 117, 183, 219, 549, 657, 793, 949, 2379, 2847, 4453, 7137, 8541, 13359, 40077, 57889, 173667, 521001]

約数ペア:

[(1, 521001), (3, 173667), (9, 57889), (13, 40077), (39, 13359), (61, 8541), (73, 7137), (117, 4453), (183, 2847), (219, 2379), (549, 949), (657, 793)]