17217927

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{6857}}^1$

素因数の和:6900

約数の個数: 20

約数和(自身を含む): 26554176

約数和(自身を除く): 9336249

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 6857, 20571, 61713, 185139, 212567, 555417, 637701, 1913103, 5739309, 17217927]

約数ペア:

[(1, 17217927), (3, 5739309), (9, 1913103), (27, 637701), (31, 555417), (81, 212567), (93, 185139), (279, 61713), (837, 20571), (2511, 6857)]