268687611

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 410432000

約数和(自身を除く): 141744389

約数列:

[1, 3, 9, 27, 79, 81, 199, 211, 237, 597, 633, 711, 1791, 1899, 2133, 5373, 5697, 6399, 15721, 16119, 16669, 17091, 41989, 47163, 50007, 125967, 141489, 150021, 377901, 424467, 450063, 1133703, 1273401, 1350189, 3317131, 3401109, 9951393, 29854179, 89562537, 268687611]

約数ペア:

[(1, 268687611), (3, 89562537), (9, 29854179), (27, 9951393), (79, 3401109), (81, 3317131), (199, 1350189), (211, 1273401), (237, 1133703), (597, 450063), (633, 424467), (711, 377901), (1791, 150021), (1899, 141489), (2133, 125967), (5373, 50007), (5697, 47163), (6399, 41989), (15721, 17091), (16119, 16669)]