23857647

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 39253248

約数和(自身を除く): 15395601

約数列:

[1, 3, 11, 17, 23, 33, 43, 51, 69, 129, 187, 253, 391, 473, 561, 731, 759, 989, 1173, 1419, 1849, 2193, 2967, 4301, 5547, 8041, 10879, 12903, 16813, 20339, 24123, 31433, 32637, 42527, 50439, 61017, 94299, 127581, 184943, 345763, 467797, 554829, 722959, 1037289, 1403391, 2168877, 7952549, 23857647]

約数ペア:

[(1, 23857647), (3, 7952549), (11, 2168877), (17, 1403391), (23, 1037289), (33, 722959), (43, 554829), (51, 467797), (69, 345763), (129, 184943), (187, 127581), (253, 94299), (391, 61017), (473, 50439), (561, 42527), (731, 32637), (759, 31433), (989, 24123), (1173, 20339), (1419, 16813), (1849, 12903), (2193, 10879), (2967, 8041), (4301, 5547)]