263999967

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{5743}}^1$

素因数の和:5963

約数の個数: 32

約数和(自身を含む): 441139200

約数和(自身を除く): 177139233

約数列:

[1, 3, 7, 11, 21, 33, 77, 199, 231, 597, 1393, 2189, 4179, 5743, 6567, 15323, 17229, 40201, 45969, 63173, 120603, 189519, 442211, 1142857, 1326633, 3428571, 7999999, 12571427, 23999997, 37714281, 87999989, 263999967]

約数ペア:

[(1, 263999967), (3, 87999989), (7, 37714281), (11, 23999997), (21, 12571427), (33, 7999999), (77, 3428571), (199, 1326633), (231, 1142857), (597, 442211), (1393, 189519), (2189, 120603), (4179, 63173), (5743, 45969), (6567, 40201), (15323, 17229)]