64180881

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{499}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 96096000

約数和(自身を除く): 31915119

約数列:

[1, 3, 9, 31, 93, 279, 461, 499, 1383, 1497, 4149, 4491, 14291, 15469, 42873, 46407, 128619, 139221, 230039, 690117, 2070351, 7131209, 21393627, 64180881]

約数ペア:

[(1, 64180881), (3, 21393627), (9, 7131209), (31, 2070351), (93, 690117), (279, 230039), (461, 139221), (499, 128619), (1383, 46407), (1497, 42873), (4149, 15469), (4491, 14291)]