20147250987

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43893793}}^1$

素因数の和:43893819

約数の個数: 16

約数和(自身を含む): 31603531680

約数和(自身を除く): 11456280693

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43893793, 131681379, 395044137, 746194481, 1185132411, 2238583443, 6715750329, 20147250987]

約数ペア:

[(1, 20147250987), (3, 6715750329), (9, 2238583443), (17, 1185132411), (27, 746194481), (51, 395044137), (153, 131681379), (459, 43893793)]