12641427

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:904

約数の個数: 20

約数和(自身を含む): 18992160

約数和(自身を除く): 6350733

約数列:

[1, 3, 9, 27, 81, 239, 653, 717, 1959, 2151, 5877, 6453, 17631, 19359, 52893, 156067, 468201, 1404603, 4213809, 12641427]

約数ペア:

[(1, 12641427), (3, 4213809), (9, 1404603), (27, 468201), (81, 156067), (239, 52893), (653, 19359), (717, 17631), (1959, 6453), (2151, 5877)]