12657705

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1931}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 22256640

約数和(自身を除く): 9598935

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 1931, 2185, 5793, 6555, 9655, 28965, 36689, 44413, 110067, 133239, 183445, 222065, 550335, 666195, 843847, 2531541, 4219235, 12657705]

約数ペア:

[(1, 12657705), (3, 4219235), (5, 2531541), (15, 843847), (19, 666195), (23, 550335), (57, 222065), (69, 183445), (95, 133239), (115, 110067), (285, 44413), (345, 36689), (437, 28965), (1311, 9655), (1931, 6555), (2185, 5793)]