28767285

素因数分解:

$3^3\times 5^1\times {\mathrm{213091}}^1$

素因数の和:213105

約数の個数: 16

約数和(自身を含む): 51142080

約数和(自身を除く): 22374795

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 213091, 639273, 1065455, 1917819, 3196365, 5753457, 9589095, 28767285]

約数ペア:

[(1, 28767285), (3, 9589095), (5, 5753457), (9, 3196365), (15, 1917819), (27, 1065455), (45, 639273), (135, 213091)]