3943971

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 40

約数和(自身を含む): 6446880

約数和(自身を除く): 2502909

約数列:

[1, 3, 9, 23, 27, 29, 69, 73, 81, 87, 207, 219, 261, 621, 657, 667, 783, 1679, 1863, 1971, 2001, 2117, 2349, 5037, 5913, 6003, 6351, 15111, 18009, 19053, 45333, 48691, 54027, 57159, 135999, 146073, 171477, 438219, 1314657, 3943971]

約数ペア:

[(1, 3943971), (3, 1314657), (9, 438219), (23, 171477), (27, 146073), (29, 135999), (69, 57159), (73, 54027), (81, 48691), (87, 45333), (207, 19053), (219, 18009), (261, 15111), (621, 6351), (657, 6003), (667, 5913), (783, 5037), (1679, 2349), (1863, 2117), (1971, 2001)]