81491247

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{16433}}^1$

素因数の和:16487

約数の個数: 24

約数和(自身を含む): 128185200

約数和(自身を除く): 46693953

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 16433, 49299, 147897, 312227, 476557, 936681, 1429671, 2810043, 4289013, 9054583, 27163749, 81491247]

約数ペア:

[(1, 81491247), (3, 27163749), (9, 9054583), (19, 4289013), (29, 2810043), (57, 1429671), (87, 936681), (171, 476557), (261, 312227), (551, 147897), (1653, 49299), (4959, 16433)]