681663555

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{467}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 1197331200

約数和(自身を除く): 515667645

約数列:

[1, 3, 5, 9, 15, 45, 163, 199, 467, 489, 597, 815, 995, 1401, 1467, 1791, 2335, 2445, 2985, 4203, 7005, 7335, 8955, 21015, 32437, 76121, 92933, 97311, 162185, 228363, 278799, 291933, 380605, 464665, 486555, 685089, 836397, 1141815, 1393995, 1459665, 3425445, 4181985, 15148079, 45444237, 75740395, 136332711, 227221185, 681663555]

約数ペア:

[(1, 681663555), (3, 227221185), (5, 136332711), (9, 75740395), (15, 45444237), (45, 15148079), (163, 4181985), (199, 3425445), (467, 1459665), (489, 1393995), (597, 1141815), (815, 836397), (995, 685089), (1401, 486555), (1467, 464665), (1791, 380605), (2335, 291933), (2445, 278799), (2985, 228363), (4203, 162185), (7005, 97311), (7335, 92933), (8955, 76121), (21015, 32437)]