81372615

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{41411}}^1$

素因数の和:41550

約数の個数: 16

約数和(自身を含む): 131193216

約数和(自身を除く): 49820601

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 41411, 124233, 207055, 621165, 5424841, 16274523, 27124205, 81372615]

約数ペア:

[(1, 81372615), (3, 27124205), (5, 16274523), (15, 5424841), (131, 621165), (393, 207055), (655, 124233), (1965, 41411)]