128767821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{471677}}^1$

素因数の和:471700

約数の個数: 16

約数和(自身を含む): 211311744

約数和(自身を除く): 82543923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 471677, 1415031, 3301739, 6131801, 9905217, 18395403, 42922607, 128767821]

約数ペア:

[(1, 128767821), (3, 42922607), (7, 18395403), (13, 9905217), (21, 6131801), (39, 3301739), (91, 1415031), (273, 471677)]