6557991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 10112256

約数和(自身を除く): 3554265

約数列:

[1, 3, 11, 33, 37, 41, 111, 123, 131, 393, 407, 451, 1221, 1353, 1441, 1517, 4323, 4551, 4847, 5371, 14541, 16113, 16687, 50061, 53317, 59081, 159951, 177243, 198727, 596181, 2185997, 6557991]

約数ペア:

[(1, 6557991), (3, 2185997), (11, 596181), (33, 198727), (37, 177243), (41, 159951), (111, 59081), (123, 53317), (131, 50061), (393, 16687), (407, 16113), (451, 14541), (1221, 5371), (1353, 4847), (1441, 4551), (1517, 4323)]