39975939

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1949}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 60231600

約数和(自身を除く): 20255661

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 1949, 2279, 5847, 6837, 17541, 20511, 83807, 103297, 251421, 309891, 754263, 929673, 4441771, 13325313, 39975939]

約数ペア:

[(1, 39975939), (3, 13325313), (9, 4441771), (43, 929673), (53, 754263), (129, 309891), (159, 251421), (387, 103297), (477, 83807), (1949, 20511), (2279, 17541), (5847, 6837)]