12421755

素因数分解:

$3^4\times 5^1\times {\mathrm{30671}}^1$

素因数の和:30688

約数の個数: 20

約数和(自身を含む): 22267872

約数和(自身を除く): 9846117

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30671, 92013, 153355, 276039, 460065, 828117, 1380195, 2484351, 4140585, 12421755]

約数ペア:

[(1, 12421755), (3, 4140585), (5, 2484351), (9, 1380195), (15, 828117), (27, 460065), (45, 276039), (81, 153355), (135, 92013), (405, 30671)]