68264721

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1439}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 47856879

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 753, 1439, 1757, 2259, 4317, 5271, 6777, 10073, 12951, 15813, 30219, 38853, 47439, 90657, 271971, 361189, 1083567, 2528323, 3250701, 7584969, 9752103, 22754907, 68264721]

約数ペア:

[(1, 68264721), (3, 22754907), (7, 9752103), (9, 7584969), (21, 3250701), (27, 2528323), (63, 1083567), (189, 361189), (251, 271971), (753, 90657), (1439, 47439), (1757, 38853), (2259, 30219), (4317, 15813), (5271, 12951), (6777, 10073)]