56405475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 117611520

約数和(自身を除く): 61206045

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 59, 63, 75, 105, 175, 177, 225, 295, 315, 413, 525, 531, 607, 885, 1239, 1475, 1575, 1821, 2065, 2655, 3035, 3717, 4249, 4425, 5463, 6195, 9105, 10325, 12747, 13275, 15175, 18585, 21245, 27315, 30975, 35813, 38241, 45525, 63735, 92925, 106225, 107439, 136575, 179065, 191205, 250691, 318675, 322317, 537195, 752073, 895325, 956025, 1253455, 1611585, 2256219, 2685975, 3760365, 6267275, 8057925, 11281095, 18801825, 56405475]

約数ペア:

[(1, 56405475), (3, 18801825), (5, 11281095), (7, 8057925), (9, 6267275), (15, 3760365), (21, 2685975), (25, 2256219), (35, 1611585), (45, 1253455), (59, 956025), (63, 895325), (75, 752073), (105, 537195), (175, 322317), (177, 318675), (225, 250691), (295, 191205), (315, 179065), (413, 136575), (525, 107439), (531, 106225), (607, 92925), (885, 63735), (1239, 45525), (1475, 38241), (1575, 35813), (1821, 30975), (2065, 27315), (2655, 21245), (3035, 18585), (3717, 15175), (4249, 13275), (4425, 12747), (5463, 10325), (6195, 9105)]