291238233

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12809}}^1$

素因数の和:12889

約数の個数: 32

約数和(自身を含む): 464849280

約数和(自身を除く): 173611047

約数列:

[1, 3, 11, 13, 33, 39, 53, 143, 159, 429, 583, 689, 1749, 2067, 7579, 12809, 22737, 38427, 140899, 166517, 422697, 499551, 678877, 1831687, 2036631, 5495061, 7467647, 8825401, 22402941, 26476203, 97079411, 291238233]

約数ペア:

[(1, 291238233), (3, 97079411), (11, 26476203), (13, 22402941), (33, 8825401), (39, 7467647), (53, 5495061), (143, 2036631), (159, 1831687), (429, 678877), (583, 499551), (689, 422697), (1749, 166517), (2067, 140899), (7579, 38427), (12809, 22737)]