78641685

素因数分解:

$3^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{701}}^1$

素因数の和:995

約数の個数: 40

約数和(自身を含む): 141683256

約数和(自身を除く): 63041571

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 277, 405, 701, 831, 1385, 2103, 2493, 3505, 4155, 6309, 7479, 10515, 12465, 18927, 22437, 31545, 37395, 56781, 94635, 112185, 194177, 283905, 582531, 970885, 1747593, 2912655, 5242779, 8737965, 15728337, 26213895, 78641685]

約数ペア:

[(1, 78641685), (3, 26213895), (5, 15728337), (9, 8737965), (15, 5242779), (27, 2912655), (45, 1747593), (81, 970885), (135, 582531), (277, 283905), (405, 194177), (701, 112185), (831, 94635), (1385, 56781), (2103, 37395), (2493, 31545), (3505, 22437), (4155, 18927), (6309, 12465), (7479, 10515)]