313890717

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{68881}}^1$

素因数の和:68929

約数の個数: 24

約数和(自身を含む): 502563072

約数和(自身を除く): 188672355

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 68881, 206643, 482167, 1446501, 2135311, 3375169, 6405933, 10125507, 14947177, 44841531, 104630239, 313890717]

約数ペア:

[(1, 313890717), (3, 104630239), (7, 44841531), (21, 14947177), (31, 10125507), (49, 6405933), (93, 3375169), (147, 2135311), (217, 1446501), (651, 482167), (1519, 206643), (4557, 68881)]