248889303

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1087}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 411873280

約数和(自身を除く): 162983977

約数列:

[1, 3, 9, 13, 19, 39, 57, 103, 117, 171, 247, 309, 741, 927, 1087, 1339, 1957, 2223, 3261, 4017, 5871, 9783, 12051, 14131, 17613, 20653, 25441, 42393, 61959, 76323, 111961, 127179, 185877, 228969, 268489, 335883, 805467, 1007649, 1455493, 2127259, 2416401, 4366479, 6381777, 13099437, 19145331, 27654367, 82963101, 248889303]

約数ペア:

[(1, 248889303), (3, 82963101), (9, 27654367), (13, 19145331), (19, 13099437), (39, 6381777), (57, 4366479), (103, 2416401), (117, 2127259), (171, 1455493), (247, 1007649), (309, 805467), (741, 335883), (927, 268489), (1087, 228969), (1339, 185877), (1957, 127179), (2223, 111961), (3261, 76323), (4017, 61959), (5871, 42393), (9783, 25441), (12051, 20653), (14131, 17613)]