64213155

素因数分解:

$3^4\times 5^1\times {\mathrm{158551}}^1$

素因数の和:158568

約数の個数: 20

約数和(自身を含む): 115108752

約数和(自身を除く): 50895597

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 158551, 475653, 792755, 1426959, 2378265, 4280877, 7134795, 12842631, 21404385, 64213155]

約数ペア:

[(1, 64213155), (3, 21404385), (5, 12842631), (9, 7134795), (15, 4280877), (27, 2378265), (45, 1426959), (81, 792755), (135, 475653), (405, 158551)]