12820731

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55501}}^1$

素因数の和:55522

約数の個数: 16

約数和(自身を含む): 21312768

約数和(自身を除く): 8492037

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 55501, 166503, 388507, 610511, 1165521, 1831533, 4273577, 12820731]

約数ペア:

[(1, 12820731), (3, 4273577), (7, 1831533), (11, 1165521), (21, 610511), (33, 388507), (77, 166503), (231, 55501)]