12720006

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2861}}^1$

素因数の和:2901

約数の個数: 48

約数和(自身を含む): 31253040

約数和(自身を除く): 18533034

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 2861, 4446, 5722, 8583, 17166, 25749, 37193, 51498, 54359, 74386, 108718, 111579, 163077, 223158, 326154, 334737, 489231, 669474, 706667, 978462, 1413334, 2120001, 4240002, 6360003, 12720006]

約数ペア:

[(1, 12720006), (2, 6360003), (3, 4240002), (6, 2120001), (9, 1413334), (13, 978462), (18, 706667), (19, 669474), (26, 489231), (38, 334737), (39, 326154), (57, 223158), (78, 163077), (114, 111579), (117, 108718), (171, 74386), (234, 54359), (247, 51498), (342, 37193), (494, 25749), (741, 17166), (1482, 8583), (2223, 5722), (2861, 4446)]