28691145

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{313}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 59082240

約数和(自身を除く): 30391095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 97, 105, 135, 189, 291, 313, 315, 485, 679, 873, 939, 945, 1455, 1565, 2037, 2191, 2619, 2817, 3395, 4365, 4695, 6111, 6573, 8451, 10185, 10955, 13095, 14085, 18333, 19719, 30361, 30555, 32865, 42255, 59157, 91083, 91665, 98595, 151805, 212527, 273249, 295785, 455415, 637581, 819747, 1062635, 1366245, 1912743, 3187905, 4098735, 5738229, 9563715, 28691145]

約数ペア:

[(1, 28691145), (3, 9563715), (5, 5738229), (7, 4098735), (9, 3187905), (15, 1912743), (21, 1366245), (27, 1062635), (35, 819747), (45, 637581), (63, 455415), (97, 295785), (105, 273249), (135, 212527), (189, 151805), (291, 98595), (313, 91665), (315, 91083), (485, 59157), (679, 42255), (873, 32865), (939, 30555), (945, 30361), (1455, 19719), (1565, 18333), (2037, 14085), (2191, 13095), (2619, 10955), (2817, 10185), (3395, 8451), (4365, 6573), (4695, 6111)]