28932289281

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1\times {\mathrm{20399}}^1$

素因数の和:20938

約数の個数: 48

約数和(自身を含む): 48881664000

約数和(自身を除く): 19949374719

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 479, 987, 1437, 2961, 3353, 4311, 10059, 20399, 22513, 30177, 61197, 67539, 142793, 157591, 183591, 202617, 428379, 472773, 958753, 1285137, 1418319, 2876259, 6711271, 8628777, 9771121, 20133813, 29313363, 60401439, 68397847, 87940089, 205193541, 459242687, 615580623, 1377728061, 3214698809, 4133184183, 9644096427, 28932289281]

約数ペア:

[(1, 28932289281), (3, 9644096427), (7, 4133184183), (9, 3214698809), (21, 1377728061), (47, 615580623), (63, 459242687), (141, 205193541), (329, 87940089), (423, 68397847), (479, 60401439), (987, 29313363), (1437, 20133813), (2961, 9771121), (3353, 8628777), (4311, 6711271), (10059, 2876259), (20399, 1418319), (22513, 1285137), (30177, 958753), (61197, 472773), (67539, 428379), (142793, 202617), (157591, 183591)]