1230721881

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{251219}}^1$

素因数の和:251316

約数の個数: 16

約数和(自身を含む): 1736432640

約数和(自身を除く): 505710759

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 251219, 753657, 5778037, 17334111, 17836549, 53509647, 410240627, 1230721881]

約数ペア:

[(1, 1230721881), (3, 410240627), (23, 53509647), (69, 17836549), (71, 17334111), (213, 5778037), (1633, 753657), (4899, 251219)]