212948109

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1201}}^1$

素因数の和:1423

約数の個数: 40

約数和(自身を含む): 349060800

約数和(自身を除く): 136112691

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 199, 297, 597, 891, 1201, 1791, 2189, 3603, 5373, 6567, 10809, 13211, 16119, 19701, 32427, 39633, 59103, 97281, 118899, 177309, 238999, 356697, 716997, 1070091, 2150991, 2628989, 6452973, 7886967, 19358919, 23660901, 70982703, 212948109]

約数ペア:

[(1, 212948109), (3, 70982703), (9, 23660901), (11, 19358919), (27, 7886967), (33, 6452973), (81, 2628989), (99, 2150991), (199, 1070091), (297, 716997), (597, 356697), (891, 238999), (1201, 177309), (1791, 118899), (2189, 97281), (3603, 59103), (5373, 39633), (6567, 32427), (10809, 19701), (13211, 16119)]