12786903

素因数分解:

$3^5\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 19380816

約数和(自身を除く): 6593913

約数列:

[1, 3, 9, 27, 81, 101, 243, 303, 521, 909, 1563, 2727, 4689, 8181, 14067, 24543, 42201, 52621, 126603, 157863, 473589, 1420767, 4262301, 12786903]

約数ペア:

[(1, 12786903), (3, 4262301), (9, 1420767), (27, 473589), (81, 157863), (101, 126603), (243, 52621), (303, 42201), (521, 24543), (909, 14067), (1563, 8181), (2727, 4689)]