28276017

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 47477760

約数和(自身を除く): 19201743

約数列:

[1, 3, 7, 11, 21, 33, 77, 109, 231, 327, 763, 1123, 1199, 2289, 3369, 3597, 7861, 8393, 12353, 23583, 25179, 37059, 86471, 122407, 259413, 367221, 856849, 1346477, 2570547, 4039431, 9425339, 28276017]

約数ペア:

[(1, 28276017), (3, 9425339), (7, 4039431), (11, 2570547), (21, 1346477), (33, 856849), (77, 367221), (109, 259413), (231, 122407), (327, 86471), (763, 37059), (1123, 25179), (1199, 23583), (2289, 12353), (3369, 8393), (3597, 7861)]