42881157

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 78408000

約数和(自身を除く): 35526843

約数列:

[1, 3, 9, 11, 17, 19, 27, 33, 51, 57, 81, 99, 149, 153, 171, 187, 209, 297, 323, 447, 459, 513, 561, 627, 891, 969, 1341, 1377, 1539, 1639, 1683, 1881, 2533, 2831, 2907, 3553, 4023, 4917, 5049, 5643, 7599, 8493, 8721, 10659, 12069, 14751, 15147, 16929, 22797, 25479, 26163, 27863, 31141, 31977, 44253, 48127, 68391, 76437, 83589, 93423, 95931, 132759, 144381, 205173, 229311, 250767, 280269, 287793, 433143, 529397, 752301, 840807, 1299429, 1588191, 2256903, 2522421, 3898287, 4764573, 14293719, 42881157]

約数ペア:

[(1, 42881157), (3, 14293719), (9, 4764573), (11, 3898287), (17, 2522421), (19, 2256903), (27, 1588191), (33, 1299429), (51, 840807), (57, 752301), (81, 529397), (99, 433143), (149, 287793), (153, 280269), (171, 250767), (187, 229311), (209, 205173), (297, 144381), (323, 132759), (447, 95931), (459, 93423), (513, 83589), (561, 76437), (627, 68391), (891, 48127), (969, 44253), (1341, 31977), (1377, 31141), (1539, 27863), (1639, 26163), (1683, 25479), (1881, 22797), (2533, 16929), (2831, 15147), (2907, 14751), (3553, 12069), (4023, 10659), (4917, 8721), (5049, 8493), (5643, 7599)]