2144151

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 20

約数和(自身を含む): 3246672

約数和(自身を除く): 1102521

約数列:

[1, 3, 9, 27, 81, 103, 257, 309, 771, 927, 2313, 2781, 6939, 8343, 20817, 26471, 79413, 238239, 714717, 2144151]

約数ペア:

[(1, 2144151), (3, 714717), (9, 238239), (27, 79413), (81, 26471), (103, 20817), (257, 8343), (309, 6939), (771, 2781), (927, 2313)]