81804735

素因数分解:

$3^7\times 5^1\times {\mathrm{7481}}^1$

素因数の和:7507

約数の個数: 32

約数和(自身を含む): 147245760

約数和(自身を除く): 65441025

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 7481, 10935, 22443, 37405, 67329, 112215, 201987, 336645, 605961, 1009935, 1817883, 3029805, 5453649, 9089415, 16360947, 27268245, 81804735]

約数ペア:

[(1, 81804735), (3, 27268245), (5, 16360947), (9, 9089415), (15, 5453649), (27, 3029805), (45, 1817883), (81, 1009935), (135, 605961), (243, 336645), (405, 201987), (729, 112215), (1215, 67329), (2187, 37405), (3645, 22443), (7481, 10935)]