128083761

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{121637}}^1$

素因数の和:121662

約数の個数: 20

約数和(自身を含む): 206054772

約数和(自身を除く): 77971011

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 121637, 364911, 1094733, 1581281, 3284199, 4743843, 9852597, 14231529, 42694587, 128083761]

約数ペア:

[(1, 128083761), (3, 42694587), (9, 14231529), (13, 9852597), (27, 4743843), (39, 3284199), (81, 1581281), (117, 1094733), (351, 364911), (1053, 121637)]