12871521

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{36671}}^1$

素因数の和:36693

約数の個数: 16

約数和(自身を含む): 20536320

約数和(自身を除く): 7664799

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 36671, 110013, 330039, 476723, 990117, 1430169, 4290507, 12871521]

約数ペア:

[(1, 12871521), (3, 4290507), (9, 1430169), (13, 990117), (27, 476723), (39, 330039), (117, 110013), (351, 36671)]