7297857

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 40

約数和(自身を含む): 12723392

約数和(自身を除く): 5425535

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 211, 427, 549, 567, 633, 1281, 1477, 1647, 1899, 3843, 4431, 4941, 5697, 11529, 12871, 13293, 17091, 34587, 38613, 39879, 90097, 115839, 119637, 270291, 347517, 810873, 1042551, 2432619, 7297857]

約数ペア:

[(1, 7297857), (3, 2432619), (7, 1042551), (9, 810873), (21, 347517), (27, 270291), (61, 119637), (63, 115839), (81, 90097), (183, 39879), (189, 38613), (211, 34587), (427, 17091), (549, 13293), (567, 12871), (633, 11529), (1281, 5697), (1477, 4941), (1647, 4431), (1899, 3843)]