15531321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{79}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 22906240

約数和(自身を除く): 7374919

約数列:

[1, 3, 13, 39, 71, 79, 213, 237, 923, 1027, 2769, 3081, 5041, 5609, 15123, 16827, 65533, 72917, 196599, 218751, 398239, 1194717, 5177107, 15531321]

約数ペア:

[(1, 15531321), (3, 5177107), (13, 1194717), (39, 398239), (71, 218751), (79, 196599), (213, 72917), (237, 65533), (923, 16827), (1027, 15123), (2769, 5609), (3081, 5041)]