289749901

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{12479}}^1$

素因数の和:12624

約数の個数: 16

約数和(自身を含む): 345047040

約数和(自身を除く): 55297139

約数列:

[1, 7, 31, 107, 217, 749, 3317, 12479, 23219, 87353, 386849, 1335253, 2707943, 9346771, 41392843, 289749901]

約数ペア:

[(1, 289749901), (7, 41392843), (31, 9346771), (107, 2707943), (217, 1335253), (749, 386849), (3317, 87353), (12479, 23219)]