201729913

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2857}}^1$

素因数の和:3013

約数の個数: 24

約数和(自身を含む): 258043104

約数和(自身を除く): 56313191

約数列:

[1, 7, 11, 49, 77, 131, 539, 917, 1441, 2857, 6419, 10087, 19999, 31427, 70609, 139993, 219989, 374267, 1539923, 2619869, 4116937, 18339083, 28818559, 201729913]

約数ペア:

[(1, 201729913), (7, 28818559), (11, 18339083), (49, 4116937), (77, 2619869), (131, 1539923), (539, 374267), (917, 219989), (1441, 139993), (2857, 70609), (6419, 31427), (10087, 19999)]