31311786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20627}}^1$

素因数の和:20666

約数の個数: 32

約数和(自身を含む): 71290368

約数和(自身を除く): 39978582

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 20627, 41254, 61881, 123762, 226897, 453794, 474421, 680691, 948842, 1361382, 1423263, 2846526, 5218631, 10437262, 15655893, 31311786]

約数ペア:

[(1, 31311786), (2, 15655893), (3, 10437262), (6, 5218631), (11, 2846526), (22, 1423263), (23, 1361382), (33, 948842), (46, 680691), (66, 474421), (69, 453794), (138, 226897), (253, 123762), (506, 61881), (759, 41254), (1518, 20627)]