12880959

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 21880320

約数和(自身を除く): 8999361

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 1627, 2639, 4881, 7917, 11389, 21151, 34167, 47183, 63453, 141549, 148057, 330281, 444171, 613379, 990843, 1840137, 4293653, 12880959]

約数ペア:

[(1, 12880959), (3, 4293653), (7, 1840137), (13, 990843), (21, 613379), (29, 444171), (39, 330281), (87, 148057), (91, 141549), (203, 63453), (273, 47183), (377, 34167), (609, 21151), (1131, 11389), (1627, 7917), (2639, 4881)]