27768291

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 13703709

約数列:

[1, 3, 19, 23, 57, 59, 69, 177, 359, 437, 1077, 1121, 1311, 1357, 3363, 4071, 6821, 8257, 20463, 21181, 24771, 25783, 63543, 77349, 156883, 402439, 470649, 487163, 1207317, 1461489, 9256097, 27768291]

約数ペア:

[(1, 27768291), (3, 9256097), (19, 1461489), (23, 1207317), (57, 487163), (59, 470649), (69, 402439), (177, 156883), (359, 77349), (437, 63543), (1077, 25783), (1121, 24771), (1311, 21181), (1357, 20463), (3363, 8257), (4071, 6821)]