1814805

素因数分解:

$3^4\times 5^1\times {\mathrm{4481}}^1$

素因数の和:4498

約数の個数: 20

約数和(自身を含む): 3253932

約数和(自身を除く): 1439127

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4481, 13443, 22405, 40329, 67215, 120987, 201645, 362961, 604935, 1814805]

約数ペア:

[(1, 1814805), (3, 604935), (5, 362961), (9, 201645), (15, 120987), (27, 67215), (45, 40329), (81, 22405), (135, 13443), (405, 4481)]