28528305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{146299}}^1$

素因数の和:146320

約数の個数: 16

約数和(自身を含む): 49156800

約数和(自身を除く): 20628495

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 146299, 438897, 731495, 1901887, 2194485, 5705661, 9509435, 28528305]

約数ペア:

[(1, 28528305), (3, 9509435), (5, 5705661), (13, 2194485), (15, 1901887), (39, 731495), (65, 438897), (195, 146299)]