87981555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{255019}}^1$

素因数の和:255050

約数の個数: 16

約数和(自身を含む): 146891520

約数和(自身を除く): 58909965

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 255019, 765057, 1275095, 3825285, 5865437, 17596311, 29327185, 87981555]

約数ペア:

[(1, 87981555), (3, 29327185), (5, 17596311), (15, 5865437), (23, 3825285), (69, 1275095), (115, 765057), (345, 255019)]