12972555

素因数分解:

$3^6\times 5^1\times {\mathrm{3559}}^1$

素因数の和:3582

約数の個数: 28

約数和(自身を含む): 23346480

約数和(自身を除く): 10373925

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3559, 3645, 10677, 17795, 32031, 53385, 96093, 160155, 288279, 480465, 864837, 1441395, 2594511, 4324185, 12972555]

約数ペア:

[(1, 12972555), (3, 4324185), (5, 2594511), (9, 1441395), (15, 864837), (27, 480465), (45, 288279), (81, 160155), (135, 96093), (243, 53385), (405, 32031), (729, 17795), (1215, 10677), (3559, 3645)]