278103

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 32

約数和(自身を含む): 483840

約数和(自身を除く): 205737

約数列:

[1, 3, 7, 17, 19, 21, 41, 51, 57, 119, 123, 133, 287, 323, 357, 399, 697, 779, 861, 969, 2091, 2261, 2337, 4879, 5453, 6783, 13243, 14637, 16359, 39729, 92701, 278103]

約数ペア:

[(1, 278103), (3, 92701), (7, 39729), (17, 16359), (19, 14637), (21, 13243), (41, 6783), (51, 5453), (57, 4879), (119, 2337), (123, 2261), (133, 2091), (287, 969), (323, 861), (357, 779), (399, 697)]