12915693

素因数分解:

$3^6\times 7^1\times {\mathrm{2531}}^1$

素因数の和:2556

約数の個数: 28

約数和(自身を含む): 22139808

約数和(自身を除く): 9224115

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2531, 5103, 7593, 17717, 22779, 53151, 68337, 159453, 205011, 478359, 615033, 1435077, 1845099, 4305231, 12915693]

約数ペア:

[(1, 12915693), (3, 4305231), (7, 1845099), (9, 1435077), (21, 615033), (27, 478359), (63, 205011), (81, 159453), (189, 68337), (243, 53151), (567, 22779), (729, 17717), (1701, 7593), (2531, 5103)]