31572009

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 25037271

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 357, 369, 697, 719, 861, 1071, 2091, 2157, 2583, 4879, 5033, 6273, 6471, 12223, 14637, 15099, 29479, 36669, 43911, 45297, 85561, 88437, 110007, 206353, 256683, 265311, 501143, 619059, 770049, 1503429, 1857177, 3508001, 4510287, 10524003, 31572009]

約数ペア:

[(1, 31572009), (3, 10524003), (7, 4510287), (9, 3508001), (17, 1857177), (21, 1503429), (41, 770049), (51, 619059), (63, 501143), (119, 265311), (123, 256683), (153, 206353), (287, 110007), (357, 88437), (369, 85561), (697, 45297), (719, 43911), (861, 36669), (1071, 29479), (2091, 15099), (2157, 14637), (2583, 12223), (4879, 6471), (5033, 6273)]