205717359

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 292723200

約数和(自身を除く): 87005841

約数列:

[1, 3, 23, 69, 89, 139, 241, 267, 417, 723, 2047, 3197, 5543, 6141, 9591, 12371, 16629, 21449, 33499, 37113, 64347, 100497, 284533, 493327, 770477, 853599, 1479981, 2311431, 2981411, 8944233, 68572453, 205717359]

約数ペア:

[(1, 205717359), (3, 68572453), (23, 8944233), (69, 2981411), (89, 2311431), (139, 1479981), (241, 853599), (267, 770477), (417, 493327), (723, 284533), (2047, 100497), (3197, 64347), (5543, 37113), (6141, 33499), (9591, 21449), (12371, 16629)]