202012389

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{16183}}^1$

素因数の和:16281

約数の個数: 24

約数和(自身を含む): 311380160

約数和(自身を除く): 109367771

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 4161, 12483, 16183, 48549, 145647, 307477, 922431, 1181359, 2767293, 3544077, 10632231, 22445821, 67337463, 202012389]

約数ペア:

[(1, 202012389), (3, 67337463), (9, 22445821), (19, 10632231), (57, 3544077), (73, 2767293), (171, 1181359), (219, 922431), (657, 307477), (1387, 145647), (4161, 48549), (12483, 16183)]