28239339

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 13048341

約数列:

[1, 3, 19, 47, 57, 83, 127, 141, 249, 381, 893, 1577, 2413, 2679, 3901, 4731, 5969, 7239, 10541, 11703, 17907, 31623, 74119, 113411, 200279, 222357, 340233, 495427, 600837, 1486281, 9413113, 28239339]

約数ペア:

[(1, 28239339), (3, 9413113), (19, 1486281), (47, 600837), (57, 495427), (83, 340233), (127, 222357), (141, 200279), (249, 113411), (381, 74119), (893, 31623), (1577, 17907), (2413, 11703), (2679, 10541), (3901, 7239), (4731, 5969)]