31906989

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2843}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 48803040

約数和(自身を除く): 16896051

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 2843, 3741, 8529, 11223, 25587, 82447, 122249, 247341, 366747, 742023, 1100241, 3545221, 10635663, 31906989]

約数ペア:

[(1, 31906989), (3, 10635663), (9, 3545221), (29, 1100241), (43, 742023), (87, 366747), (129, 247341), (261, 122249), (387, 82447), (1247, 25587), (2843, 11223), (3741, 8529)]