40121649

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29137}}^1$

素因数の和:29166

約数の個数: 20

約数和(自身を含む): 63462564

約数和(自身を除く): 23340915

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 29137, 87411, 262233, 495329, 786699, 1485987, 2360097, 4457961, 13373883, 40121649]

約数ペア:

[(1, 40121649), (3, 13373883), (9, 4457961), (17, 2360097), (27, 1485987), (51, 786699), (81, 495329), (153, 262233), (459, 87411), (1377, 29137)]