19770729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{3347}}^1$

素因数の和:3540

約数の個数: 16

約数和(自身を含む): 28926720

約数和(自身を除く): 9155991

約数列:

[1, 3, 11, 33, 179, 537, 1969, 3347, 5907, 10041, 36817, 110451, 599113, 1797339, 6590243, 19770729]

約数ペア:

[(1, 19770729), (3, 6590243), (11, 1797339), (33, 599113), (179, 110451), (537, 36817), (1969, 10041), (3347, 5907)]