31058559

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 57832320

約数和(自身を除く): 26773761

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 81, 93, 133, 171, 189, 217, 243, 279, 399, 513, 567, 589, 651, 837, 961, 1197, 1539, 1701, 1767, 1953, 2511, 2883, 3591, 4123, 4617, 5301, 5859, 6727, 7533, 8649, 10773, 12369, 15903, 17577, 18259, 20181, 25947, 32319, 37107, 47709, 52731, 54777, 60543, 77841, 111321, 127813, 143127, 164331, 181629, 233523, 333963, 383439, 492993, 544887, 1001889, 1150317, 1478979, 1634661, 3450951, 4436937, 10352853, 31058559]

約数ペア:

[(1, 31058559), (3, 10352853), (7, 4436937), (9, 3450951), (19, 1634661), (21, 1478979), (27, 1150317), (31, 1001889), (57, 544887), (63, 492993), (81, 383439), (93, 333963), (133, 233523), (171, 181629), (189, 164331), (217, 143127), (243, 127813), (279, 111321), (399, 77841), (513, 60543), (567, 54777), (589, 52731), (651, 47709), (837, 37107), (961, 32319), (1197, 25947), (1539, 20181), (1701, 18259), (1767, 17577), (1953, 15903), (2511, 12369), (2883, 10773), (3591, 8649), (4123, 7533), (4617, 6727), (5301, 5859)]