81862963

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 107251200

約数和(自身を除く): 25388237

約数列:

[1, 7, 13, 19, 91, 113, 133, 247, 419, 791, 1469, 1729, 2147, 2933, 5447, 7961, 10283, 15029, 27911, 38129, 47347, 55727, 103493, 195377, 331429, 615511, 724451, 899593, 4308577, 6297151, 11694709, 81862963]

約数ペア:

[(1, 81862963), (7, 11694709), (13, 6297151), (19, 4308577), (91, 899593), (113, 724451), (133, 615511), (247, 331429), (419, 195377), (791, 103493), (1469, 55727), (1729, 47347), (2147, 38129), (2933, 27911), (5447, 15029), (7961, 10283)]