2149172991

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1100447}}^1$

素因数の和:1100491

約数の個数: 24

約数和(自身を含む): 3662290944

約数和(自身を除く): 1513117953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 1100447, 3301341, 7703129, 9904023, 23109387, 34113857, 69328161, 102341571, 238796999, 307024713, 716390997, 2149172991]

約数ペア:

[(1, 2149172991), (3, 716390997), (7, 307024713), (9, 238796999), (21, 102341571), (31, 69328161), (63, 34113857), (93, 23109387), (217, 9904023), (279, 7703129), (651, 3301341), (1953, 1100447)]