80857785

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{41149}}^1$

素因数の和:41288

約数の個数: 16

約数和(自身を含む): 130363200

約数和(自身を除く): 49505415

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 41149, 123447, 205745, 617235, 5390519, 16171557, 26952595, 80857785]

約数ペア:

[(1, 80857785), (3, 26952595), (5, 16171557), (15, 5390519), (131, 617235), (393, 205745), (655, 123447), (1965, 41149)]