56781711

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{10859}}^1$

素因数の和:10955

約数の個数: 24

約数和(自身を含む): 94872960

約数和(自身を除く): 38091249

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 10859, 32577, 76013, 97731, 228039, 684117, 901297, 2703891, 6309079, 8111673, 18927237, 56781711]

約数ペア:

[(1, 56781711), (3, 18927237), (7, 8111673), (9, 6309079), (21, 2703891), (63, 901297), (83, 684117), (249, 228039), (581, 97731), (747, 76013), (1743, 32577), (5229, 10859)]