28730907

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 45171360

約数和(自身を除く): 16440453

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 239, 333, 361, 703, 717, 1083, 2109, 2151, 3249, 4541, 6327, 8843, 13357, 13623, 26529, 40071, 40869, 79587, 86279, 120213, 168017, 258837, 504051, 776511, 1512153, 3192323, 9576969, 28730907]

約数ペア:

[(1, 28730907), (3, 9576969), (9, 3192323), (19, 1512153), (37, 776511), (57, 504051), (111, 258837), (171, 168017), (239, 120213), (333, 86279), (361, 79587), (703, 40869), (717, 40071), (1083, 26529), (2109, 13623), (2151, 13357), (3249, 8843), (4541, 6327)]