78230529

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{74293}}^1$

素因数の和:74318

約数の個数: 20

約数和(自身を含む): 125854036

約数和(自身を除く): 47623507

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 74293, 222879, 668637, 965809, 2005911, 2897427, 6017733, 8692281, 26076843, 78230529]

約数ペア:

[(1, 78230529), (3, 26076843), (9, 8692281), (13, 6017733), (27, 2897427), (39, 2005911), (81, 965809), (117, 668637), (351, 222879), (1053, 74293)]