17873217

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{839}}^1$

素因数の和:1114

約数の個数: 20

約数和(自身を含む): 26832960

約数和(自身を除く): 8959743

約数列:

[1, 3, 9, 27, 81, 263, 789, 839, 2367, 2517, 7101, 7551, 21303, 22653, 67959, 220657, 661971, 1985913, 5957739, 17873217]

約数ペア:

[(1, 17873217), (3, 5957739), (9, 1985913), (27, 661971), (81, 220657), (263, 67959), (789, 22653), (839, 21303), (2367, 7551), (2517, 7101)]