254239323

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1171}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 385916160

約数和(自身を除く): 131676837

約数列:

[1, 3, 13, 19, 39, 57, 247, 293, 741, 879, 1171, 3513, 3809, 5567, 11427, 15223, 16701, 22249, 45669, 66747, 72371, 217113, 289237, 343103, 867711, 1029309, 4460339, 6518957, 13381017, 19556871, 84746441, 254239323]

約数ペア:

[(1, 254239323), (3, 84746441), (13, 19556871), (19, 13381017), (39, 6518957), (57, 4460339), (247, 1029309), (293, 867711), (741, 343103), (879, 289237), (1171, 217113), (3513, 72371), (3809, 66747), (5567, 45669), (11427, 22249), (15223, 16701)]