391963143

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{17239}}^1$

素因数の和:17319

約数の個数: 32

約数和(自身を含む): 625605120

約数和(自身を除く): 233641977

約数列:

[1, 3, 11, 13, 33, 39, 53, 143, 159, 429, 583, 689, 1749, 2067, 7579, 17239, 22737, 51717, 189629, 224107, 568887, 672321, 913667, 2465177, 2741001, 7395531, 10050337, 11877671, 30151011, 35633013, 130654381, 391963143]

約数ペア:

[(1, 391963143), (3, 130654381), (11, 35633013), (13, 30151011), (33, 11877671), (39, 10050337), (53, 7395531), (143, 2741001), (159, 2465177), (429, 913667), (583, 672321), (689, 568887), (1749, 224107), (2067, 189629), (7579, 51717), (17239, 22737)]