71720217

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1433}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 106483104

約数和(自身を除く): 34762887

約数列:

[1, 3, 9, 67, 83, 201, 249, 603, 747, 1433, 4299, 5561, 12897, 16683, 50049, 96011, 118939, 288033, 356817, 864099, 1070451, 7968913, 23906739, 71720217]

約数ペア:

[(1, 71720217), (3, 23906739), (9, 7968913), (67, 1070451), (83, 864099), (201, 356817), (249, 288033), (603, 118939), (747, 96011), (1433, 50049), (4299, 16683), (5561, 12897)]