12691242

素因数分解:

$2^1\times 3^4\times {\mathrm{78341}}^1$

素因数の和:78355

約数の個数: 20

約数和(自身を含む): 28438146

約数和(自身を除く): 15746904

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 78341, 156682, 235023, 470046, 705069, 1410138, 2115207, 4230414, 6345621, 12691242]

約数ペア:

[(1, 12691242), (2, 6345621), (3, 4230414), (6, 2115207), (9, 1410138), (18, 705069), (27, 470046), (54, 235023), (81, 156682), (162, 78341)]