51220377

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2094

約数の個数: 32

約数和(自身を含む): 82880000

約数和(自身を除く): 31659623

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 949, 1971, 1999, 2847, 5997, 8541, 17991, 25623, 25987, 53973, 77961, 145927, 233883, 437781, 701649, 1313343, 1897051, 3940029, 5691153, 17073459, 51220377]

約数ペア:

[(1, 51220377), (3, 17073459), (9, 5691153), (13, 3940029), (27, 1897051), (39, 1313343), (73, 701649), (117, 437781), (219, 233883), (351, 145927), (657, 77961), (949, 53973), (1971, 25987), (1999, 25623), (2847, 17991), (5997, 8541)]