2980305

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 5224128

約数和(自身を除く): 2243823

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 643, 927, 1545, 1929, 3215, 4635, 5787, 9645, 28935, 66229, 198687, 331145, 596061, 993435, 2980305]

約数ペア:

[(1, 2980305), (3, 993435), (5, 596061), (9, 331145), (15, 198687), (45, 66229), (103, 28935), (309, 9645), (515, 5787), (643, 4635), (927, 3215), (1545, 1929)]