81714681

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 122653440

約数和(自身を除く): 40938759

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 639, 2911, 3119, 8733, 9357, 26199, 28071, 127879, 221449, 383637, 664347, 1150911, 1993041, 9079409, 27238227, 81714681]

約数ペア:

[(1, 81714681), (3, 27238227), (9, 9079409), (41, 1993041), (71, 1150911), (123, 664347), (213, 383637), (369, 221449), (639, 127879), (2911, 28071), (3119, 26199), (8733, 9357)]