12691395

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 22167600

約数和(自身を除く): 9476205

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2029, 2085, 6087, 6255, 10145, 18261, 30435, 91305, 282031, 846093, 1410155, 2538279, 4230465, 12691395]

約数ペア:

[(1, 12691395), (3, 4230465), (5, 2538279), (9, 1410155), (15, 846093), (45, 282031), (139, 91305), (417, 30435), (695, 18261), (1251, 10145), (2029, 6255), (2085, 6087)]