199563

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:83

約数の個数: 32

約数和(自身を含む): 354816

約数和(自身を除く): 155253

約数列:

[1, 3, 7, 13, 17, 21, 39, 43, 51, 91, 119, 129, 221, 273, 301, 357, 559, 663, 731, 903, 1547, 1677, 2193, 3913, 4641, 5117, 9503, 11739, 15351, 28509, 66521, 199563]

約数ペア:

[(1, 199563), (3, 66521), (7, 28509), (13, 15351), (17, 11739), (21, 9503), (39, 5117), (43, 4641), (51, 3913), (91, 2193), (119, 1677), (129, 1547), (221, 903), (273, 731), (301, 663), (357, 559)]