28621515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{146777}}^1$

素因数の和:146798

約数の個数: 16

約数和(自身を含む): 49317408

約数和(自身を除く): 20695893

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 146777, 440331, 733885, 1908101, 2201655, 5724303, 9540505, 28621515]

約数ペア:

[(1, 28621515), (3, 9540505), (5, 5724303), (13, 2201655), (15, 1908101), (39, 733885), (65, 440331), (195, 146777)]