56175021

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 102435840

約数和(自身を除く): 46260819

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 59, 63, 119, 127, 147, 153, 177, 357, 381, 413, 441, 531, 833, 889, 1003, 1071, 1143, 1239, 2159, 2499, 2667, 2891, 3009, 3717, 6223, 6477, 7021, 7493, 7497, 8001, 8673, 9027, 15113, 18669, 19431, 21063, 22479, 26019, 45339, 49147, 52451, 56007, 63189, 67437, 105791, 127381, 136017, 147441, 157353, 317373, 367157, 382143, 442323, 472059, 891667, 952119, 1101471, 1146429, 2675001, 3304413, 6241669, 8025003, 18725007, 56175021]

約数ペア:

[(1, 56175021), (3, 18725007), (7, 8025003), (9, 6241669), (17, 3304413), (21, 2675001), (49, 1146429), (51, 1101471), (59, 952119), (63, 891667), (119, 472059), (127, 442323), (147, 382143), (153, 367157), (177, 317373), (357, 157353), (381, 147441), (413, 136017), (441, 127381), (531, 105791), (833, 67437), (889, 63189), (1003, 56007), (1071, 52451), (1143, 49147), (1239, 45339), (2159, 26019), (2499, 22479), (2667, 21063), (2891, 19431), (3009, 18669), (3717, 15113), (6223, 9027), (6477, 8673), (7021, 8001), (7493, 7497)]