81641331

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{15349}}^1$

素因数の和:15555

約数の個数: 16

約数和(自身を含む): 121572000

約数和(自身を除く): 39930669

約数列:

[1, 3, 9, 27, 197, 591, 1773, 5319, 15349, 46047, 138141, 414423, 3023753, 9071259, 27213777, 81641331]

約数ペア:

[(1, 81641331), (3, 27213777), (9, 9071259), (27, 3023753), (197, 414423), (591, 138141), (1773, 46047), (5319, 15349)]