990737517

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{971}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 1680735744

約数和(自身を除く): 689998227

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 631, 971, 1617, 1893, 2913, 4417, 6797, 6941, 10681, 13251, 20391, 20823, 30919, 32043, 47579, 48587, 74767, 92757, 142737, 145761, 224301, 340109, 523369, 612701, 1020327, 1570107, 1838103, 4288907, 6739711, 12866721, 20219133, 30022349, 47177977, 90067047, 141533931, 330245839, 990737517]

約数ペア:

[(1, 990737517), (3, 330245839), (7, 141533931), (11, 90067047), (21, 47177977), (33, 30022349), (49, 20219133), (77, 12866721), (147, 6739711), (231, 4288907), (539, 1838103), (631, 1570107), (971, 1020327), (1617, 612701), (1893, 523369), (2913, 340109), (4417, 224301), (6797, 145761), (6941, 142737), (10681, 92757), (13251, 74767), (20391, 48587), (20823, 47579), (30919, 32043)]