28769805

素因数分解:

$3^2\times 5^1\times {\mathrm{639329}}^1$

素因数の和:639340

約数の個数: 12

約数和(自身を含む): 49867740

約数和(自身を除く): 21097935

約数列:

[1, 3, 5, 9, 15, 45, 639329, 1917987, 3196645, 5753961, 9589935, 28769805]

約数ペア:

[(1, 28769805), (3, 9589935), (5, 5753961), (9, 3196645), (15, 1917987), (45, 639329)]