28780035

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{66161}}^1$

素因数の和:66198

約数の個数: 16

約数和(自身を含む): 47636640

約数和(自身を除く): 18856605

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 66161, 198483, 330805, 992415, 1918669, 5756007, 9593345, 28780035]

約数ペア:

[(1, 28780035), (3, 9593345), (5, 5756007), (15, 1918669), (29, 992415), (87, 330805), (145, 198483), (435, 66161)]