81738285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{286801}}^1$

素因数の和:286828

約数の個数: 16

約数和(自身を含む): 137664960

約数和(自身を除く): 55926675

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 286801, 860403, 1434005, 4302015, 5449219, 16347657, 27246095, 81738285]

約数ペア:

[(1, 81738285), (3, 27246095), (5, 16347657), (15, 5449219), (19, 4302015), (57, 1434005), (95, 860403), (285, 286801)]