457478487

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{26627}}^1$

素因数の和:26739

約数の個数: 24

約数和(自身を含む): 697866624

約数和(自身を除く): 240388137

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1909, 5727, 17181, 26627, 79881, 239643, 612421, 1837263, 2210041, 5511789, 6630123, 19890369, 50830943, 152492829, 457478487]

約数ペア:

[(1, 457478487), (3, 152492829), (9, 50830943), (23, 19890369), (69, 6630123), (83, 5511789), (207, 2210041), (249, 1837263), (747, 612421), (1909, 239643), (5727, 79881), (17181, 26627)]