81670005

素因数分解:

$3^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{863}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 145566720

約数和(自身を除く): 63896715

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 701, 863, 2103, 2589, 3505, 4315, 6309, 7767, 10515, 12945, 18927, 23301, 31545, 38835, 94635, 116505, 604963, 1814889, 3024815, 5444667, 9074445, 16334001, 27223335, 81670005]

約数ペア:

[(1, 81670005), (3, 27223335), (5, 16334001), (9, 9074445), (15, 5444667), (27, 3024815), (45, 1814889), (135, 604963), (701, 116505), (863, 94635), (2103, 38835), (2589, 31545), (3505, 23301), (4315, 18927), (6309, 12945), (7767, 10515)]