221497155

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2193

約数の個数: 72

約数和(自身を含む): 444422160

約数和(自身を除く): 222925005

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 121, 165, 171, 209, 285, 363, 495, 605, 627, 855, 1045, 1089, 1815, 1881, 2141, 2299, 3135, 5445, 6423, 6897, 9405, 10705, 11495, 19269, 20691, 23551, 32115, 34485, 40679, 70653, 96345, 103455, 117755, 122037, 203395, 211959, 259061, 353265, 366111, 447469, 610185, 777183, 1059795, 1295305, 1342407, 1830555, 2237345, 2331549, 3885915, 4027221, 4922159, 6712035, 11657745, 14766477, 20136105, 24610795, 44299431, 73832385, 221497155]

約数ペア:

[(1, 221497155), (3, 73832385), (5, 44299431), (9, 24610795), (11, 20136105), (15, 14766477), (19, 11657745), (33, 6712035), (45, 4922159), (55, 4027221), (57, 3885915), (95, 2331549), (99, 2237345), (121, 1830555), (165, 1342407), (171, 1295305), (209, 1059795), (285, 777183), (363, 610185), (495, 447469), (605, 366111), (627, 353265), (855, 259061), (1045, 211959), (1089, 203395), (1815, 122037), (1881, 117755), (2141, 103455), (2299, 96345), (3135, 70653), (5445, 40679), (6423, 34485), (6897, 32115), (9405, 23551), (10705, 20691), (11495, 19269)]