2821556943

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2131}}^1$

素因数の和:2277

約数の個数: 64

約数和(自身を含む): 4605120000

約数和(自身を除く): 1783563057

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 89, 171, 261, 267, 513, 551, 783, 801, 1653, 1691, 2131, 2403, 2581, 4959, 5073, 6393, 7743, 14877, 15219, 19179, 23229, 40489, 45657, 49039, 57537, 61799, 69687, 121467, 147117, 185397, 189659, 364401, 441351, 556191, 568977, 1093203, 1174181, 1324053, 1668573, 1706931, 3522543, 3603521, 5120793, 5500111, 10567629, 10810563, 16500333, 31702887, 32431689, 49500999, 97295067, 104502109, 148502997, 313506327, 940518981, 2821556943]

約数ペア:

[(1, 2821556943), (3, 940518981), (9, 313506327), (19, 148502997), (27, 104502109), (29, 97295067), (57, 49500999), (87, 32431689), (89, 31702887), (171, 16500333), (261, 10810563), (267, 10567629), (513, 5500111), (551, 5120793), (783, 3603521), (801, 3522543), (1653, 1706931), (1691, 1668573), (2131, 1324053), (2403, 1174181), (2581, 1093203), (4959, 568977), (5073, 556191), (6393, 441351), (7743, 364401), (14877, 189659), (15219, 185397), (19179, 147117), (23229, 121467), (40489, 69687), (45657, 61799), (49039, 57537)]