11720943

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{11131}}^1$

素因数の和:11156

約数の個数: 20

約数和(自身を含む): 18857608

約数和(自身を除く): 7136665

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 11131, 33393, 100179, 144703, 300537, 434109, 901611, 1302327, 3906981, 11720943]

約数ペア:

[(1, 11720943), (3, 3906981), (9, 1302327), (13, 901611), (27, 434109), (39, 300537), (81, 144703), (117, 100179), (351, 33393), (1053, 11131)]