201864987

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 338688000

約数和(自身を除く): 136823013

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 79, 153, 171, 237, 293, 323, 459, 513, 711, 879, 969, 1343, 1501, 2133, 2637, 2907, 4029, 4503, 4981, 5567, 7911, 8721, 12087, 13509, 14943, 16701, 23147, 25517, 36261, 40527, 44829, 50103, 69441, 76551, 94639, 134487, 150309, 208323, 229653, 283917, 393499, 439793, 624969, 688959, 851751, 1180497, 1319379, 2555253, 3541491, 3958137, 7476481, 10624473, 11874411, 22429443, 67288329, 201864987]

約数ペア:

[(1, 201864987), (3, 67288329), (9, 22429443), (17, 11874411), (19, 10624473), (27, 7476481), (51, 3958137), (57, 3541491), (79, 2555253), (153, 1319379), (171, 1180497), (237, 851751), (293, 688959), (323, 624969), (459, 439793), (513, 393499), (711, 283917), (879, 229653), (969, 208323), (1343, 150309), (1501, 134487), (2133, 94639), (2637, 76551), (2907, 69441), (4029, 50103), (4503, 44829), (4981, 40527), (5567, 36261), (7911, 25517), (8721, 23147), (12087, 16701), (13509, 14943)]