201556575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 423401472

約数和(自身を除く): 221844897

約数列:

[1, 3, 5, 9, 11, 15, 25, 31, 33, 37, 45, 55, 71, 75, 93, 99, 111, 155, 165, 185, 213, 225, 275, 279, 333, 341, 355, 407, 465, 495, 555, 639, 775, 781, 825, 925, 1023, 1065, 1147, 1221, 1395, 1665, 1705, 1775, 2035, 2201, 2325, 2343, 2475, 2627, 2775, 3069, 3195, 3441, 3663, 3905, 5115, 5325, 5735, 6105, 6603, 6975, 7029, 7881, 8325, 8525, 10175, 10323, 11005, 11715, 12617, 13135, 15345, 15975, 17205, 18315, 19525, 19809, 23643, 24211, 25575, 28675, 28897, 30525, 33015, 35145, 37851, 39405, 51615, 55025, 58575, 63085, 65675, 72633, 76725, 81437, 86025, 86691, 91575, 99045, 113553, 118215, 121055, 144485, 165075, 175725, 189255, 197025, 217899, 244311, 258075, 260073, 315425, 363165, 407185, 433455, 495225, 567765, 591075, 605275, 722425, 732933, 895807, 946275, 1089495, 1221555, 1300365, 1815825, 2035925, 2167275, 2687421, 2838825, 3664665, 4479035, 5447475, 6107775, 6501825, 8062263, 13437105, 18323325, 22395175, 40311315, 67185525, 201556575]

約数ペア:

[(1, 201556575), (3, 67185525), (5, 40311315), (9, 22395175), (11, 18323325), (15, 13437105), (25, 8062263), (31, 6501825), (33, 6107775), (37, 5447475), (45, 4479035), (55, 3664665), (71, 2838825), (75, 2687421), (93, 2167275), (99, 2035925), (111, 1815825), (155, 1300365), (165, 1221555), (185, 1089495), (213, 946275), (225, 895807), (275, 732933), (279, 722425), (333, 605275), (341, 591075), (355, 567765), (407, 495225), (465, 433455), (495, 407185), (555, 363165), (639, 315425), (775, 260073), (781, 258075), (825, 244311), (925, 217899), (1023, 197025), (1065, 189255), (1147, 175725), (1221, 165075), (1395, 144485), (1665, 121055), (1705, 118215), (1775, 113553), (2035, 99045), (2201, 91575), (2325, 86691), (2343, 86025), (2475, 81437), (2627, 76725), (2775, 72633), (3069, 65675), (3195, 63085), (3441, 58575), (3663, 55025), (3905, 51615), (5115, 39405), (5325, 37851), (5735, 35145), (6105, 33015), (6603, 30525), (6975, 28897), (7029, 28675), (7881, 25575), (8325, 24211), (8525, 23643), (10175, 19809), (10323, 19525), (11005, 18315), (11715, 17205), (12617, 15975), (13135, 15345)]