1245978027

素因数分解:

$3^2\times 7^3\times {\mathrm{403621}}^1$

素因数の和:403648

約数の個数: 24

約数和(自身を含む): 2098834400

約数和(自身を除く): 852856373

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 403621, 1210863, 2825347, 3632589, 8476041, 19777429, 25428123, 59332287, 138442003, 177996861, 415326009, 1245978027]

約数ペア:

[(1, 1245978027), (3, 415326009), (7, 177996861), (9, 138442003), (21, 59332287), (49, 25428123), (63, 19777429), (147, 8476041), (343, 3632589), (441, 2825347), (1029, 1210863), (3087, 403621)]