78215823

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 133975296

約数和(自身を除く): 55759473

約数列:

[1, 3, 7, 9, 21, 41, 63, 107, 123, 283, 287, 321, 369, 749, 849, 861, 963, 1981, 2247, 2547, 2583, 4387, 5943, 6741, 11603, 13161, 17829, 30281, 30709, 34809, 39483, 81221, 90843, 92127, 104427, 211967, 243663, 272529, 276381, 635901, 730989, 1241521, 1907703, 3724563, 8690647, 11173689, 26071941, 78215823]

約数ペア:

[(1, 78215823), (3, 26071941), (7, 11173689), (9, 8690647), (21, 3724563), (41, 1907703), (63, 1241521), (107, 730989), (123, 635901), (283, 276381), (287, 272529), (321, 243663), (369, 211967), (749, 104427), (849, 92127), (861, 90843), (963, 81221), (1981, 39483), (2247, 34809), (2547, 30709), (2583, 30281), (4387, 17829), (5943, 13161), (6741, 11603)]