28926417

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 44262400

約数和(自身を除く): 15335983

約数列:

[1, 3, 13, 19, 39, 57, 103, 247, 309, 379, 741, 1137, 1339, 1957, 4017, 4927, 5871, 7201, 14781, 21603, 25441, 39037, 76323, 93613, 117111, 280839, 507481, 741703, 1522443, 2225109, 9642139, 28926417]

約数ペア:

[(1, 28926417), (3, 9642139), (13, 2225109), (19, 1522443), (39, 741703), (57, 507481), (103, 280839), (247, 117111), (309, 93613), (379, 76323), (741, 39037), (1137, 25441), (1339, 21603), (1957, 14781), (4017, 7201), (4927, 5871)]