5181813

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 80

約数和(自身を含む): 10299520

約数和(自身を除く): 5117707

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 37, 39, 57, 63, 81, 91, 111, 117, 133, 171, 189, 247, 259, 273, 333, 351, 399, 481, 513, 567, 703, 741, 777, 819, 999, 1053, 1197, 1443, 1539, 1729, 2109, 2223, 2331, 2457, 2997, 3367, 3591, 4329, 4921, 5187, 6327, 6669, 6993, 7371, 9139, 10101, 10773, 12987, 14763, 15561, 18981, 20007, 20979, 27417, 30303, 38961, 44289, 46683, 56943, 63973, 82251, 90909, 132867, 140049, 191919, 246753, 272727, 398601, 575757, 740259, 1727271, 5181813]

約数ペア:

[(1, 5181813), (3, 1727271), (7, 740259), (9, 575757), (13, 398601), (19, 272727), (21, 246753), (27, 191919), (37, 140049), (39, 132867), (57, 90909), (63, 82251), (81, 63973), (91, 56943), (111, 46683), (117, 44289), (133, 38961), (171, 30303), (189, 27417), (247, 20979), (259, 20007), (273, 18981), (333, 15561), (351, 14763), (399, 12987), (481, 10773), (513, 10101), (567, 9139), (703, 7371), (741, 6993), (777, 6669), (819, 6327), (999, 5187), (1053, 4921), (1197, 4329), (1443, 3591), (1539, 3367), (1729, 2997), (2109, 2457), (2223, 2331)]