840305025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4201}}^1$

素因数の和:4351

約数の個数: 72

約数和(自身を含む): 1734047744

約数和(自身を除く): 893742719

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 127, 175, 225, 315, 381, 525, 635, 889, 1143, 1575, 1905, 2667, 3175, 4201, 4445, 5715, 8001, 9525, 12603, 13335, 21005, 22225, 28575, 29407, 37809, 40005, 63015, 66675, 88221, 105025, 147035, 189045, 200025, 264663, 315075, 441105, 533527, 735175, 945225, 1323315, 1600581, 2205525, 2667635, 3734689, 4801743, 6616575, 8002905, 11204067, 13338175, 18673445, 24008715, 33612201, 40014525, 56020335, 93367225, 120043575, 168061005, 280101675, 840305025]

約数ペア:

[(1, 840305025), (3, 280101675), (5, 168061005), (7, 120043575), (9, 93367225), (15, 56020335), (21, 40014525), (25, 33612201), (35, 24008715), (45, 18673445), (63, 13338175), (75, 11204067), (105, 8002905), (127, 6616575), (175, 4801743), (225, 3734689), (315, 2667635), (381, 2205525), (525, 1600581), (635, 1323315), (889, 945225), (1143, 735175), (1575, 533527), (1905, 441105), (2667, 315075), (3175, 264663), (4201, 200025), (4445, 189045), (5715, 147035), (8001, 105025), (9525, 88221), (12603, 66675), (13335, 63015), (21005, 40005), (22225, 37809), (28575, 29407)]