51653781

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{6857}}^1$

素因数の和:6903

約数の個数: 24

約数和(自身を含む): 79881984

約数和(自身を除く): 28228203

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 6857, 7533, 20571, 61713, 185139, 212567, 555417, 637701, 1666251, 1913103, 5739309, 17217927, 51653781]

約数ペア:

[(1, 51653781), (3, 17217927), (9, 5739309), (27, 1913103), (31, 1666251), (81, 637701), (93, 555417), (243, 212567), (279, 185139), (837, 61713), (2511, 20571), (6857, 7533)]