28119585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144203}}^1$

素因数の和:144224

約数の個数: 16

約数和(自身を含む): 48452544

約数和(自身を除く): 20332959

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 144203, 432609, 721015, 1874639, 2163045, 5623917, 9373195, 28119585]

約数ペア:

[(1, 28119585), (3, 9373195), (5, 5623917), (13, 2163045), (15, 1874639), (39, 721015), (65, 432609), (195, 144203)]