71566551

素因数分解:

$3^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1367}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 121697280

約数和(自身を除く): 50130729

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 277, 831, 1367, 1939, 2493, 4101, 5817, 7479, 9569, 12303, 17451, 28707, 36909, 52353, 86121, 258363, 378659, 1135977, 2650613, 3407931, 7951839, 10223793, 23855517, 71566551]

約数ペア:

[(1, 71566551), (3, 23855517), (7, 10223793), (9, 7951839), (21, 3407931), (27, 2650613), (63, 1135977), (189, 378659), (277, 258363), (831, 86121), (1367, 52353), (1939, 36909), (2493, 28707), (4101, 17451), (5817, 12303), (7479, 9569)]