64187217

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 94342248

約数和(自身を除く): 30155031

約数列:

[1, 3, 9, 101, 241, 293, 303, 723, 879, 909, 2169, 2637, 24341, 29593, 70613, 73023, 88779, 211839, 219069, 266337, 635517, 7131913, 21395739, 64187217]

約数ペア:

[(1, 64187217), (3, 21395739), (9, 7131913), (101, 635517), (241, 266337), (293, 219069), (303, 211839), (723, 88779), (879, 73023), (909, 70613), (2169, 29593), (2637, 24341)]