87181995

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{54319}}^1$

素因数の和:54434

約数の個数: 16

約数和(自身を含む): 140797440

約数和(自身を除く): 53615445

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 54319, 162957, 271595, 814785, 5812133, 17436399, 29060665, 87181995]

約数ペア:

[(1, 87181995), (3, 29060665), (5, 17436399), (15, 5812133), (107, 814785), (321, 271595), (535, 162957), (1605, 54319)]