207817839

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9421}}^1$

素因数の和:9492

約数の個数: 32

約数和(自身を含む): 331654400

約数和(自身を除く): 123836561

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 1161, 2451, 7353, 9421, 22059, 28263, 84789, 178999, 254367, 405103, 536997, 1215309, 1610991, 3645927, 4832973, 7696957, 10937781, 23090871, 69272613, 207817839]

約数ペア:

[(1, 207817839), (3, 69272613), (9, 23090871), (19, 10937781), (27, 7696957), (43, 4832973), (57, 3645927), (129, 1610991), (171, 1215309), (387, 536997), (513, 405103), (817, 254367), (1161, 178999), (2451, 84789), (7353, 28263), (9421, 22059)]