388005993

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{17911}}^1$

素因数の和:18029

約数の個数: 24

約数和(自身を含む): 586797120

約数和(自身を除く): 198791127

約数列:

[1, 3, 9, 29, 83, 87, 249, 261, 747, 2407, 7221, 17911, 21663, 53733, 161199, 519419, 1486613, 1558257, 4459839, 4674771, 13379517, 43111777, 129335331, 388005993]

約数ペア:

[(1, 388005993), (3, 129335331), (9, 43111777), (29, 13379517), (83, 4674771), (87, 4459839), (249, 1558257), (261, 1486613), (747, 519419), (2407, 161199), (7221, 53733), (17911, 21663)]