661644879

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{17321}}^1$

素因数の和:17455

約数の個数: 32

約数和(自身を含む): 1077566976

約数和(自身を除く): 415922097

約数列:

[1, 3, 7, 17, 21, 51, 107, 119, 321, 357, 749, 1819, 2247, 5457, 12733, 17321, 38199, 51963, 121247, 294457, 363741, 883371, 1853347, 2061199, 5560041, 6183597, 12973429, 31506899, 38920287, 94520697, 220548293, 661644879]

約数ペア:

[(1, 661644879), (3, 220548293), (7, 94520697), (17, 38920287), (21, 31506899), (51, 12973429), (107, 6183597), (119, 5560041), (321, 2061199), (357, 1853347), (749, 883371), (1819, 363741), (2247, 294457), (5457, 121247), (12733, 51963), (17321, 38199)]