4020199227

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{587}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 6750569280

約数和(自身を除く): 2730370053

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 121, 171, 209, 331, 363, 587, 627, 993, 1089, 1761, 1881, 2299, 2979, 3641, 5283, 6289, 6457, 6897, 10923, 11153, 18867, 19371, 20691, 32769, 33459, 40051, 56601, 58113, 69179, 71027, 100377, 120153, 122683, 194297, 207537, 213081, 360459, 368049, 582891, 622611, 639243, 760969, 1104147, 1349513, 1748673, 2137267, 2282907, 3691643, 4048539, 6411801, 6848721, 11074929, 12145617, 19235403, 23509937, 33224787, 40608073, 70529811, 121824219, 211589433, 365472657, 446688803, 1340066409, 4020199227]

約数ペア:

[(1, 4020199227), (3, 1340066409), (9, 446688803), (11, 365472657), (19, 211589433), (33, 121824219), (57, 70529811), (99, 40608073), (121, 33224787), (171, 23509937), (209, 19235403), (331, 12145617), (363, 11074929), (587, 6848721), (627, 6411801), (993, 4048539), (1089, 3691643), (1761, 2282907), (1881, 2137267), (2299, 1748673), (2979, 1349513), (3641, 1104147), (5283, 760969), (6289, 639243), (6457, 622611), (6897, 582891), (10923, 368049), (11153, 360459), (18867, 213081), (19371, 207537), (20691, 194297), (32769, 122683), (33459, 120153), (40051, 100377), (56601, 71027), (58113, 69179)]