2740959

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 4675440

約数和(自身を除く): 1934481

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 137, 171, 247, 351, 411, 513, 741, 1053, 1233, 1539, 1781, 2223, 2603, 3699, 5343, 6669, 7809, 11097, 16029, 20007, 23427, 33839, 48087, 70281, 101517, 144261, 210843, 304551, 913653, 2740959]

約数ペア:

[(1, 2740959), (3, 913653), (9, 304551), (13, 210843), (19, 144261), (27, 101517), (39, 70281), (57, 48087), (81, 33839), (117, 23427), (137, 20007), (171, 16029), (247, 11097), (351, 7809), (411, 6669), (513, 5343), (741, 3699), (1053, 2603), (1233, 2223), (1539, 1781)]