2068965

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2033

約数の個数: 24

約数和(自身を含む): 3744000

約数和(自身を除く): 1675035

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 1999, 5997, 9995, 17991, 29985, 45977, 89955, 137931, 229885, 413793, 689655, 2068965]

約数ペア:

[(1, 2068965), (3, 689655), (5, 413793), (9, 229885), (15, 137931), (23, 89955), (45, 45977), (69, 29985), (115, 17991), (207, 9995), (345, 5997), (1035, 1999)]