78868455

素因数分解:

$3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{21817}}^1$

素因数の和:22066

約数の個数: 16

約数和(自身を含む): 126718944

約数和(自身を除く): 47850489

約数列:

[1, 3, 5, 15, 241, 723, 1205, 3615, 21817, 65451, 109085, 327255, 5257897, 15773691, 26289485, 78868455]

約数ペア:

[(1, 78868455), (3, 26289485), (5, 15773691), (15, 5257897), (241, 327255), (723, 109085), (1205, 65451), (3615, 21817)]