2174991

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 3698688

約数和(自身を除く): 1523697

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 257, 273, 403, 651, 771, 1209, 1799, 2821, 3341, 5397, 7967, 8463, 10023, 23387, 23901, 55769, 70161, 103571, 167307, 310713, 724997, 2174991]

約数ペア:

[(1, 2174991), (3, 724997), (7, 310713), (13, 167307), (21, 103571), (31, 70161), (39, 55769), (91, 23901), (93, 23387), (217, 10023), (257, 8463), (273, 7967), (403, 5397), (651, 3341), (771, 2821), (1209, 1799)]