12968829

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{5521}}^1$

素因数の和:5562

約数の個数: 20

約数和(自身を含む): 20044860

約数和(自身を除く): 7076031

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 5521, 16563, 49689, 149067, 160109, 447201, 480327, 1440981, 4322943, 12968829]

約数ペア:

[(1, 12968829), (3, 4322943), (9, 1440981), (27, 480327), (29, 447201), (81, 160109), (87, 149067), (261, 49689), (783, 16563), (2349, 5521)]