8421749

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 10727808

約数和(自身を除く): 2306059

約数列:

[1, 7, 17, 23, 119, 161, 181, 289, 391, 1267, 2023, 2737, 3077, 4163, 6647, 21539, 29141, 46529, 52309, 70771, 366163, 495397, 1203107, 8421749]

約数ペア:

[(1, 8421749), (7, 1203107), (17, 495397), (23, 366163), (119, 70771), (161, 52309), (181, 46529), (289, 29141), (391, 21539), (1267, 6647), (2023, 4163), (2737, 3077)]