81842643

素因数分解:

$3^6\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1006

約数の個数: 28

約数和(自身を含む): 123788808

約数和(自身を除く): 41946165

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 729, 857, 1179, 2571, 3537, 7713, 10611, 23139, 31833, 69417, 95499, 112267, 208251, 336801, 624753, 1010403, 3031209, 9093627, 27280881, 81842643]

約数ペア:

[(1, 81842643), (3, 27280881), (9, 9093627), (27, 3031209), (81, 1010403), (131, 624753), (243, 336801), (393, 208251), (729, 112267), (857, 95499), (1179, 69417), (2571, 31833), (3537, 23139), (7713, 10611)]