81691011

素因数分解:

$3^8\times {\mathrm{12451}}^1$

素因数の和:12475

約数の個数: 18

約数和(自身を含む): 122540132

約数和(自身を除く): 40849121

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 12451, 37353, 112059, 336177, 1008531, 3025593, 9076779, 27230337, 81691011]

約数ペア:

[(1, 81691011), (3, 27230337), (9, 9076779), (27, 3025593), (81, 1008531), (243, 336177), (729, 112059), (2187, 37353), (6561, 12451)]