990105

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 1598400

約数和(自身を除く): 608295

約数列:

[1, 3, 5, 15, 149, 443, 447, 745, 1329, 2215, 2235, 6645, 66007, 198021, 330035, 990105]

約数ペア:

[(1, 990105), (3, 330035), (5, 198021), (15, 66007), (149, 6645), (443, 2235), (447, 2215), (745, 1329)]