156928347

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{41221}}^1$

素因数の和:41280

約数の個数: 20

約数和(自身を含む): 239417376

約数和(自身を除く): 82489029

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 41221, 123663, 370989, 1112967, 1937387, 3338901, 5812161, 17436483, 52309449, 156928347]

約数ペア:

[(1, 156928347), (3, 52309449), (9, 17436483), (27, 5812161), (47, 3338901), (81, 1937387), (141, 1112967), (423, 370989), (1269, 123663), (3807, 41221)]