249071715

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{10463}}^1$

素因数の和:10520

約数の個数: 36

約数和(自身を含む): 451354176

約数和(自身を除く): 202282461

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 529, 1035, 1587, 2645, 4761, 7935, 10463, 23805, 31389, 52315, 94167, 156945, 240649, 470835, 721947, 1203245, 2165841, 3609735, 5534927, 10829205, 16604781, 27674635, 49814343, 83023905, 249071715]

約数ペア:

[(1, 249071715), (3, 83023905), (5, 49814343), (9, 27674635), (15, 16604781), (23, 10829205), (45, 5534927), (69, 3609735), (115, 2165841), (207, 1203245), (345, 721947), (529, 470835), (1035, 240649), (1587, 156945), (2645, 94167), (4761, 52315), (7935, 31389), (10463, 23805)]