28874421

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{13537}}^1$

素因数の和:13625

約数の個数: 16

約数和(自身を含む): 43321600

約数和(自身を除く): 14447179

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 13537, 40611, 121833, 365499, 1069423, 3208269, 9624807, 28874421]

約数ペア:

[(1, 28874421), (3, 9624807), (9, 3208269), (27, 1069423), (79, 365499), (237, 121833), (711, 40611), (2133, 13537)]