219701421

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{4261}}^1$

素因数の和:4621

約数の個数: 24

約数和(自身を含む): 337090104

約数和(自身を除く): 117388683

約数列:

[1, 3, 9, 17, 51, 153, 337, 1011, 3033, 4261, 5729, 12783, 17187, 38349, 51561, 72437, 217311, 651933, 1435957, 4307871, 12923613, 24411269, 73233807, 219701421]

約数ペア:

[(1, 219701421), (3, 73233807), (9, 24411269), (17, 12923613), (51, 4307871), (153, 1435957), (337, 651933), (1011, 217311), (3033, 72437), (4261, 51561), (5729, 38349), (12783, 17187)]