1862919

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 20

約数和(自身を含む): 2821720

約数和(自身を除く): 958801

約数列:

[1, 3, 9, 27, 81, 109, 211, 327, 633, 981, 1899, 2943, 5697, 8829, 17091, 22999, 68997, 206991, 620973, 1862919]

約数ペア:

[(1, 1862919), (3, 620973), (9, 206991), (27, 68997), (81, 22999), (109, 17091), (211, 8829), (327, 5697), (633, 2943), (981, 1899)]