28191861

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{13217}}^1$

素因数の和:13305

約数の個数: 16

約数和(自身を含む): 42297600

約数和(自身を除く): 14105739

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 13217, 39651, 118953, 356859, 1044143, 3132429, 9397287, 28191861]

約数ペア:

[(1, 28191861), (3, 9397287), (9, 3132429), (27, 1044143), (79, 356859), (237, 118953), (711, 39651), (2133, 13217)]