15664671

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17581}}^1$

素因数の和:17604

約数の個数: 20

約数和(自身を含む): 25529064

約数和(自身を除く): 9864393

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 17581, 52743, 158229, 193391, 474687, 580173, 1424061, 1740519, 5221557, 15664671]

約数ペア:

[(1, 15664671), (3, 5221557), (9, 1740519), (11, 1424061), (27, 580173), (33, 474687), (81, 193391), (99, 158229), (297, 52743), (891, 17581)]