65665971

素因数分解:

$3^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 112907520

約数和(自身を除く): 47241549

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 189, 537, 567, 647, 1253, 1611, 1941, 3759, 4529, 4833, 5823, 11277, 13587, 14499, 17469, 33831, 40761, 52407, 101493, 115813, 122283, 347439, 366849, 810691, 1042317, 2432073, 3126951, 7296219, 9380853, 21888657, 65665971]

約数ペア:

[(1, 65665971), (3, 21888657), (7, 9380853), (9, 7296219), (21, 3126951), (27, 2432073), (63, 1042317), (81, 810691), (179, 366849), (189, 347439), (537, 122283), (567, 115813), (647, 101493), (1253, 52407), (1611, 40761), (1941, 33831), (3759, 17469), (4529, 14499), (4833, 13587), (5823, 11277)]