64820979

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{4373}}^1$

素因数の和:4449

約数の個数: 24

約数和(自身を含む): 98712432

約数和(自身を除く): 33891453

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 1647, 4373, 4941, 13119, 14823, 39357, 118071, 266753, 354213, 800259, 1062639, 2400777, 7202331, 21606993, 64820979]

約数ペア:

[(1, 64820979), (3, 21606993), (9, 7202331), (27, 2400777), (61, 1062639), (81, 800259), (183, 354213), (243, 266753), (549, 118071), (1647, 39357), (4373, 14823), (4941, 13119)]