71567181

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 122653440

約数和(自身を除く): 51086259

約数列:

[1, 3, 7, 9, 21, 41, 63, 103, 123, 269, 287, 309, 369, 721, 807, 861, 927, 1883, 2163, 2421, 2583, 4223, 5649, 6489, 11029, 12669, 16947, 27707, 29561, 33087, 38007, 77203, 83121, 88683, 99261, 193949, 231609, 249363, 266049, 581847, 694827, 1135987, 1745541, 3407961, 7951909, 10223883, 23855727, 71567181]

約数ペア:

[(1, 71567181), (3, 23855727), (7, 10223883), (9, 7951909), (21, 3407961), (41, 1745541), (63, 1135987), (103, 694827), (123, 581847), (269, 266049), (287, 249363), (309, 231609), (369, 193949), (721, 99261), (807, 88683), (861, 83121), (927, 77203), (1883, 38007), (2163, 33087), (2421, 29561), (2583, 27707), (4223, 16947), (5649, 12669), (6489, 11029)]