2478231

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 4135040

約数和(自身を除く): 1656809

約数列:

[1, 3, 7, 9, 21, 63, 139, 283, 417, 849, 973, 1251, 1981, 2547, 2919, 5943, 8757, 17829, 39337, 118011, 275359, 354033, 826077, 2478231]

約数ペア:

[(1, 2478231), (3, 826077), (7, 354033), (9, 275359), (21, 118011), (63, 39337), (139, 17829), (283, 8757), (417, 5943), (849, 2919), (973, 2547), (1251, 1981)]