12721545

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14879}}^1$

素因数の和:14909

約数の個数: 24

約数和(自身を含む): 23212800

約数和(自身を除く): 10491255

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 14879, 44637, 74395, 133911, 223185, 282701, 669555, 848103, 1413505, 2544309, 4240515, 12721545]

約数ペア:

[(1, 12721545), (3, 4240515), (5, 2544309), (9, 1413505), (15, 848103), (19, 669555), (45, 282701), (57, 223185), (95, 133911), (171, 74395), (285, 44637), (855, 14879)]