201749427

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 338688000

約数和(自身を除く): 136938573

約数列:

[1, 3, 9, 11, 27, 33, 47, 97, 99, 141, 149, 291, 297, 423, 447, 517, 873, 1067, 1269, 1341, 1551, 1639, 2619, 3201, 4023, 4559, 4653, 4917, 7003, 9603, 13677, 13959, 14453, 14751, 21009, 28809, 41031, 43359, 44253, 50149, 63027, 77033, 123093, 130077, 150447, 158983, 189081, 231099, 390231, 451341, 476949, 679291, 693297, 1354023, 1430847, 2037873, 2079891, 4292541, 6113619, 7472201, 18340857, 22416603, 67249809, 201749427]

約数ペア:

[(1, 201749427), (3, 67249809), (9, 22416603), (11, 18340857), (27, 7472201), (33, 6113619), (47, 4292541), (97, 2079891), (99, 2037873), (141, 1430847), (149, 1354023), (291, 693297), (297, 679291), (423, 476949), (447, 451341), (517, 390231), (873, 231099), (1067, 189081), (1269, 158983), (1341, 150447), (1551, 130077), (1639, 123093), (2619, 77033), (3201, 63027), (4023, 50149), (4559, 44253), (4653, 43359), (4917, 41031), (7003, 28809), (9603, 21009), (13677, 14751), (13959, 14453)]