31131471

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 23058609

約数列:

[1, 3, 7, 17, 21, 29, 31, 51, 87, 93, 97, 119, 203, 217, 291, 357, 493, 527, 609, 651, 679, 899, 1479, 1581, 1649, 2037, 2697, 2813, 3007, 3451, 3689, 4947, 6293, 8439, 9021, 10353, 11067, 11543, 15283, 18879, 19691, 21049, 34629, 45849, 47821, 51119, 59073, 63147, 87203, 106981, 143463, 153357, 261609, 320943, 334747, 357833, 610421, 1004241, 1073499, 1482451, 1831263, 4447353, 10377157, 31131471]

約数ペア:

[(1, 31131471), (3, 10377157), (7, 4447353), (17, 1831263), (21, 1482451), (29, 1073499), (31, 1004241), (51, 610421), (87, 357833), (93, 334747), (97, 320943), (119, 261609), (203, 153357), (217, 143463), (291, 106981), (357, 87203), (493, 63147), (527, 59073), (609, 51119), (651, 47821), (679, 45849), (899, 34629), (1479, 21049), (1581, 19691), (1649, 18879), (2037, 15283), (2697, 11543), (2813, 11067), (3007, 10353), (3451, 9021), (3689, 8439), (4947, 6293)]