28672881

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21871}}^1$

素因数の和:21916

約数の個数: 16

約数和(自身を含む): 41994240

約数和(自身を除く): 13321359

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 21871, 65613, 415549, 503033, 1246647, 1509099, 9557627, 28672881]

約数ペア:

[(1, 28672881), (3, 9557627), (19, 1509099), (23, 1246647), (57, 503033), (69, 415549), (437, 65613), (1311, 21871)]