201877389

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{74521}}^1$

素因数の和:74577

約数の個数: 24

約数和(自身を含む): 341012672

約数和(自身を除く): 139135283

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 74521, 223563, 521647, 670689, 1564941, 3204403, 4694823, 9613209, 22430821, 28839627, 67292463, 201877389]

約数ペア:

[(1, 201877389), (3, 67292463), (7, 28839627), (9, 22430821), (21, 9613209), (43, 4694823), (63, 3204403), (129, 1564941), (301, 670689), (387, 521647), (903, 223563), (2709, 74521)]