12880215

素因数分解:

$3^5\times 5^1\times {\mathrm{10601}}^1$

素因数の和:10621

約数の個数: 24

約数和(自身を含む): 23154768

約数和(自身を除く): 10274553

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 10601, 31803, 53005, 95409, 159015, 286227, 477045, 858681, 1431135, 2576043, 4293405, 12880215]

約数ペア:

[(1, 12880215), (3, 4293405), (5, 2576043), (9, 1431135), (15, 858681), (27, 477045), (45, 286227), (81, 159015), (135, 95409), (243, 53005), (405, 31803), (1215, 10601)]