28071189

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 43024800

約数和(自身を除く): 14953611

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 1181, 1251, 2641, 3543, 7923, 10629, 22439, 23769, 67317, 164159, 201951, 492477, 1477431, 3119021, 9357063, 28071189]

約数ペア:

[(1, 28071189), (3, 9357063), (9, 3119021), (19, 1477431), (57, 492477), (139, 201951), (171, 164159), (417, 67317), (1181, 23769), (1251, 22439), (2641, 10629), (3543, 7923)]