156701919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{128339}}^1$

素因数の和:128390

約数の個数: 16

約数和(自身を含む): 234092160

約数和(自身を除く): 77390241

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 128339, 385017, 1411729, 4235187, 4748543, 14245629, 52233973, 156701919]

約数ペア:

[(1, 156701919), (3, 52233973), (11, 14245629), (33, 4748543), (37, 4235187), (111, 1411729), (407, 385017), (1221, 128339)]