81020685

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{53479}}^1$

素因数の和:53588

約数の個数: 16

約数和(自身を含む): 130919040

約数和(自身を除く): 49898355

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 53479, 160437, 267395, 802185, 5401379, 16204137, 27006895, 81020685]

約数ペア:

[(1, 81020685), (3, 27006895), (5, 16204137), (15, 5401379), (101, 802185), (303, 267395), (505, 160437), (1515, 53479)]