2689551

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 4285440

約数和(自身を除く): 1595889

約数列:

[1, 3, 9, 23, 27, 61, 69, 71, 183, 207, 213, 549, 621, 639, 1403, 1633, 1647, 1917, 4209, 4331, 4899, 12627, 12993, 14697, 37881, 38979, 44091, 99613, 116937, 298839, 896517, 2689551]

約数ペア:

[(1, 2689551), (3, 896517), (9, 298839), (23, 116937), (27, 99613), (61, 44091), (69, 38979), (71, 37881), (183, 14697), (207, 12993), (213, 12627), (549, 4899), (621, 4331), (639, 4209), (1403, 1917), (1633, 1647)]