12811557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 20248704

約数和(自身を除く): 7437147

約数列:

[1, 3, 11, 17, 33, 41, 51, 123, 187, 451, 557, 561, 697, 1353, 1671, 2091, 6127, 7667, 9469, 18381, 22837, 23001, 28407, 68511, 104159, 251207, 312477, 388229, 753621, 1164687, 4270519, 12811557]

約数ペア:

[(1, 12811557), (3, 4270519), (11, 1164687), (17, 753621), (33, 388229), (41, 312477), (51, 251207), (123, 104159), (187, 68511), (451, 28407), (557, 23001), (561, 22837), (697, 18381), (1353, 9469), (1671, 7667), (2091, 6127)]