2721405

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{433}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 4374720

約数和(自身を除く): 1653315

約数列:

[1, 3, 5, 15, 419, 433, 1257, 1299, 2095, 2165, 6285, 6495, 181427, 544281, 907135, 2721405]

約数ペア:

[(1, 2721405), (3, 907135), (5, 544281), (15, 181427), (419, 6495), (433, 6285), (1257, 2165), (1299, 2095)]