81199503

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 155003904

約数和(自身を除く): 73804401

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 63, 77, 81, 99, 141, 189, 231, 277, 297, 329, 423, 517, 567, 693, 831, 891, 987, 1269, 1551, 1939, 2079, 2493, 2961, 3047, 3619, 3807, 4653, 5817, 6237, 7479, 8883, 9141, 10857, 13019, 13959, 17451, 21329, 22437, 26649, 27423, 32571, 39057, 41877, 52353, 63987, 82269, 91133, 97713, 117171, 143209, 157059, 191961, 246807, 273399, 293139, 351513, 429627, 575883, 820197, 1002463, 1054539, 1288881, 1727649, 2460591, 3007389, 3866643, 7381773, 9022167, 11599929, 27066501, 81199503]

約数ペア:

[(1, 81199503), (3, 27066501), (7, 11599929), (9, 9022167), (11, 7381773), (21, 3866643), (27, 3007389), (33, 2460591), (47, 1727649), (63, 1288881), (77, 1054539), (81, 1002463), (99, 820197), (141, 575883), (189, 429627), (231, 351513), (277, 293139), (297, 273399), (329, 246807), (423, 191961), (517, 157059), (567, 143209), (693, 117171), (831, 97713), (891, 91133), (987, 82269), (1269, 63987), (1551, 52353), (1939, 41877), (2079, 39057), (2493, 32571), (2961, 27423), (3047, 26649), (3619, 22437), (3807, 21329), (4653, 17451), (5817, 13959), (6237, 13019), (7479, 10857), (8883, 9141)]