81012399

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{863}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 121927680

約数和(自身を除く): 40915281

約数列:

[1, 3, 13, 29, 39, 83, 87, 249, 377, 863, 1079, 1131, 2407, 2589, 3237, 7221, 11219, 25027, 31291, 33657, 71629, 75081, 93873, 214887, 325351, 931177, 976053, 2077241, 2793531, 6231723, 27004133, 81012399]

約数ペア:

[(1, 81012399), (3, 27004133), (13, 6231723), (29, 2793531), (39, 2077241), (83, 976053), (87, 931177), (249, 325351), (377, 214887), (863, 93873), (1079, 75081), (1131, 71629), (2407, 33657), (2589, 31291), (3237, 25027), (7221, 11219)]