217424559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 322689024

約数和(自身を除く): 105264465

約数列:

[1, 3, 11, 33, 83, 163, 249, 487, 489, 913, 1461, 1793, 2739, 5357, 5379, 13529, 16071, 40421, 40587, 79381, 121263, 148819, 238143, 444631, 446457, 873191, 1333893, 2619573, 6588623, 19765869, 72474853, 217424559]

約数ペア:

[(1, 217424559), (3, 72474853), (11, 19765869), (33, 6588623), (83, 2619573), (163, 1333893), (249, 873191), (487, 446457), (489, 444631), (913, 238143), (1461, 148819), (1793, 121263), (2739, 79381), (5357, 40587), (5379, 40421), (13529, 16071)]