126931609

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{19477}}^1$

素因数の和:19517

約数の個数: 16

約数和(自身を含む): 155824000

約数和(自身を除く): 28892391

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 19477, 136339, 370063, 954373, 2590441, 6680611, 18133087, 126931609]

約数ペア:

[(1, 126931609), (7, 18133087), (19, 6680611), (49, 2590441), (133, 954373), (343, 370063), (931, 136339), (6517, 19477)]