12290967

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 20909280

約数和(自身を除く): 8618313

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 97, 117, 171, 247, 291, 351, 361, 513, 741, 873, 1083, 1261, 1843, 2223, 2619, 3249, 3783, 4693, 5529, 6669, 9747, 11349, 14079, 16587, 23959, 34047, 35017, 42237, 49761, 71877, 105051, 126711, 215631, 315153, 455221, 646893, 945459, 1365663, 4096989, 12290967]

約数ペア:

[(1, 12290967), (3, 4096989), (9, 1365663), (13, 945459), (19, 646893), (27, 455221), (39, 315153), (57, 215631), (97, 126711), (117, 105051), (171, 71877), (247, 49761), (291, 42237), (351, 35017), (361, 34047), (513, 23959), (741, 16587), (873, 14079), (1083, 11349), (1261, 9747), (1843, 6669), (2223, 5529), (2619, 4693), (3249, 3783)]