64565181

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{2137}}^1$

素因数の和:2522

約数の個数: 20

約数和(自身を含む): 96753052

約数和(自身を除く): 32187871

約数列:

[1, 3, 9, 27, 81, 373, 1119, 2137, 3357, 6411, 10071, 19233, 30213, 57699, 173097, 797101, 2391303, 7173909, 21521727, 64565181]

約数ペア:

[(1, 64565181), (3, 21521727), (9, 7173909), (27, 2391303), (81, 797101), (373, 173097), (1119, 57699), (2137, 30213), (3357, 19233), (6411, 10071)]