131722395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{17669}}^1$

素因数の和:17755

約数の個数: 32

約数和(自身を含む): 244270080

約数和(自身を除く): 112547685

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 17669, 53007, 88345, 123683, 265035, 371049, 618415, 1254499, 1855245, 3763497, 6272495, 8781493, 18817485, 26344479, 43907465, 131722395]

約数ペア:

[(1, 131722395), (3, 43907465), (5, 26344479), (7, 18817485), (15, 8781493), (21, 6272495), (35, 3763497), (71, 1855245), (105, 1254499), (213, 618415), (355, 371049), (497, 265035), (1065, 123683), (1491, 88345), (2485, 53007), (7455, 17669)]