31381119

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6469}}^1$

素因数の和:6500

約数の個数: 36

約数和(自身を含む): 57531240

約数和(自身を除く): 26150121

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 6469, 19407, 45283, 58221, 71159, 135849, 213477, 316981, 407547, 498113, 640431, 950943, 1494339, 2852829, 3486791, 4483017, 10460373, 31381119]

約数ペア:

[(1, 31381119), (3, 10460373), (7, 4483017), (9, 3486791), (11, 2852829), (21, 1494339), (33, 950943), (49, 640431), (63, 498113), (77, 407547), (99, 316981), (147, 213477), (231, 135849), (441, 71159), (539, 58221), (693, 45283), (1617, 19407), (4851, 6469)]