289715994

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^2\times {\mathrm{3919}}^1$

素因数の和:4004

約数の個数: 48

約数和(自身を含む): 661852800

約数和(自身を除く): 372136806

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1369, 1998, 2738, 3919, 4107, 7838, 8214, 11757, 12321, 23514, 24642, 35271, 36963, 70542, 73926, 105813, 145003, 211626, 290006, 435009, 870018, 1305027, 2610054, 3915081, 5365111, 7830162, 10730222, 16095333, 32190666, 48285999, 96571998, 144857997, 289715994]

約数ペア:

[(1, 289715994), (2, 144857997), (3, 96571998), (6, 48285999), (9, 32190666), (18, 16095333), (27, 10730222), (37, 7830162), (54, 5365111), (74, 3915081), (111, 2610054), (222, 1305027), (333, 870018), (666, 435009), (999, 290006), (1369, 211626), (1998, 145003), (2738, 105813), (3919, 73926), (4107, 70542), (7838, 36963), (8214, 35271), (11757, 24642), (12321, 23514)]