15920037

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 27202560

約数和(自身を除く): 11282523

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 643, 917, 1179, 1929, 2751, 3537, 4501, 5787, 8253, 13503, 17361, 24759, 40509, 84233, 121527, 252699, 589631, 758097, 1768893, 2274291, 5306679, 15920037]

約数ペア:

[(1, 15920037), (3, 5306679), (7, 2274291), (9, 1768893), (21, 758097), (27, 589631), (63, 252699), (131, 121527), (189, 84233), (393, 40509), (643, 24759), (917, 17361), (1179, 13503), (1929, 8253), (2751, 5787), (3537, 4501)]