30386727

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15559}}^1$

素因数の和:15603

約数の個数: 24

約数和(自身を含む): 51783680

約数和(自身を除く): 21396953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 15559, 46677, 108913, 140031, 326739, 482329, 980217, 1446987, 3376303, 4340961, 10128909, 30386727]

約数ペア:

[(1, 30386727), (3, 10128909), (7, 4340961), (9, 3376303), (21, 1446987), (31, 980217), (63, 482329), (93, 326739), (217, 140031), (279, 108913), (651, 46677), (1953, 15559)]