398045397

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{17981}}^1$

素因数の和:18188

約数の個数: 16

約数和(自身を含む): 545501952

約数和(自身を除く): 147456555

約数列:

[1, 3, 47, 141, 157, 471, 7379, 17981, 22137, 53943, 845107, 2535321, 2823017, 8469051, 132681799, 398045397]

約数ペア:

[(1, 398045397), (3, 132681799), (47, 8469051), (141, 2823017), (157, 2535321), (471, 845107), (7379, 53943), (17981, 22137)]