28415691

素因数分解:

$3^8\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 43930224

約数和(自身を除く): 15514533

約数列:

[1, 3, 9, 27, 61, 71, 81, 183, 213, 243, 549, 639, 729, 1647, 1917, 2187, 4331, 4941, 5751, 6561, 12993, 14823, 17253, 38979, 44469, 51759, 116937, 133407, 155277, 350811, 400221, 465831, 1052433, 3157299, 9471897, 28415691]

約数ペア:

[(1, 28415691), (3, 9471897), (9, 3157299), (27, 1052433), (61, 465831), (71, 400221), (81, 350811), (183, 155277), (213, 133407), (243, 116937), (549, 51759), (639, 44469), (729, 38979), (1647, 17253), (1917, 14823), (2187, 12993), (4331, 6561), (4941, 5751)]