217874547

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{4519}}^1$

素因数の和:5023

約数の個数: 24

約数和(自身を含む): 344098560

約数和(自身を除く): 126224013

約数列:

[1, 3, 9, 11, 33, 99, 487, 1461, 4383, 4519, 5357, 13557, 16071, 40671, 48213, 49709, 149127, 447381, 2200753, 6602259, 19806777, 24208283, 72624849, 217874547]

約数ペア:

[(1, 217874547), (3, 72624849), (9, 24208283), (11, 19806777), (33, 6602259), (99, 2200753), (487, 447381), (1461, 149127), (4383, 49709), (4519, 48213), (5357, 40671), (13557, 16071)]