27403857

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:494

約数の個数: 36

約数和(自身を含む): 43963920

約数和(自身を除く): 16560063

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 169, 387, 419, 507, 559, 1257, 1521, 1677, 3771, 5031, 5447, 7267, 16341, 18017, 21801, 49023, 54051, 65403, 70811, 162153, 212433, 234221, 637299, 702663, 2107989, 3044873, 9134619, 27403857]

約数ペア:

[(1, 27403857), (3, 9134619), (9, 3044873), (13, 2107989), (39, 702663), (43, 637299), (117, 234221), (129, 212433), (169, 162153), (387, 70811), (419, 65403), (507, 54051), (559, 49023), (1257, 21801), (1521, 18017), (1677, 16341), (3771, 7267), (5031, 5447)]