8221557

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 12469248

約数和(自身を除く): 4247691

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 163, 391, 489, 731, 989, 1173, 2193, 2771, 2967, 3749, 7009, 8313, 11247, 16813, 21027, 50439, 63733, 119153, 161207, 191199, 357459, 483621, 2740519, 8221557]

約数ペア:

[(1, 8221557), (3, 2740519), (17, 483621), (23, 357459), (43, 191199), (51, 161207), (69, 119153), (129, 63733), (163, 50439), (391, 21027), (489, 16813), (731, 11247), (989, 8313), (1173, 7009), (2193, 3749), (2771, 2967)]