87970239

素因数分解:

$3^3\times 7^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 80

約数和(自身を含む): 161337600

約数和(自身を除く): 73367361

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 59, 63, 69, 147, 161, 177, 189, 207, 343, 413, 441, 483, 531, 621, 1029, 1127, 1239, 1323, 1357, 1449, 1593, 2401, 2891, 3087, 3381, 3717, 4071, 4347, 7203, 7889, 8673, 9261, 9499, 10143, 11151, 12213, 20237, 21609, 23667, 26019, 28497, 30429, 36639, 55223, 60711, 64827, 66493, 71001, 78057, 85491, 141659, 165669, 182133, 199479, 213003, 256473, 424977, 465451, 497007, 546399, 598437, 1274931, 1396353, 1491021, 1795311, 3258157, 3824793, 4189059, 9774471, 12567177, 29323413, 87970239]

約数ペア:

[(1, 87970239), (3, 29323413), (7, 12567177), (9, 9774471), (21, 4189059), (23, 3824793), (27, 3258157), (49, 1795311), (59, 1491021), (63, 1396353), (69, 1274931), (147, 598437), (161, 546399), (177, 497007), (189, 465451), (207, 424977), (343, 256473), (413, 213003), (441, 199479), (483, 182133), (531, 165669), (621, 141659), (1029, 85491), (1127, 78057), (1239, 71001), (1323, 66493), (1357, 64827), (1449, 60711), (1593, 55223), (2401, 36639), (2891, 30429), (3087, 28497), (3381, 26019), (3717, 23667), (4071, 21609), (4347, 20237), (7203, 12213), (7889, 11151), (8673, 10143), (9261, 9499)]