81400539

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3539}}^1$

素因数の和:3611

約数の個数: 32

約数和(自身を含む): 128459520

約数和(自身を除く): 47058981

約数列:

[1, 3, 11, 17, 33, 41, 51, 123, 187, 451, 561, 697, 1353, 2091, 3539, 7667, 10617, 23001, 38929, 60163, 116787, 145099, 180489, 435297, 661793, 1596089, 1985379, 2466683, 4788267, 7400049, 27133513, 81400539]

約数ペア:

[(1, 81400539), (3, 27133513), (11, 7400049), (17, 4788267), (33, 2466683), (41, 1985379), (51, 1596089), (123, 661793), (187, 435297), (451, 180489), (561, 145099), (697, 116787), (1353, 60163), (2091, 38929), (3539, 23001), (7667, 10617)]