289489719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1669}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 432864000

約数和(自身を除く): 143374281

約数列:

[1, 3, 17, 19, 51, 57, 179, 323, 537, 969, 1669, 3043, 3401, 5007, 9129, 10203, 28373, 31711, 57817, 85119, 95133, 173451, 298751, 539087, 896253, 1617261, 5078767, 5676269, 15236301, 17028807, 96496573, 289489719]

約数ペア:

[(1, 289489719), (3, 96496573), (17, 17028807), (19, 15236301), (51, 5676269), (57, 5078767), (179, 1617261), (323, 896253), (537, 539087), (969, 298751), (1669, 173451), (3043, 95133), (3401, 85119), (5007, 57817), (9129, 31711), (10203, 28373)]