153392687

素因数分解:

$7^4\times {\mathrm{29}}^1\times {\mathrm{2203}}^1$

素因数の和:2260

約数の個数: 20

約数和(自身を含む): 185202120

約数和(自身を除く): 31809433

約数列:

[1, 7, 29, 49, 203, 343, 1421, 2203, 2401, 9947, 15421, 63887, 69629, 107947, 447209, 755629, 3130463, 5289403, 21913241, 153392687]

約数ペア:

[(1, 153392687), (7, 21913241), (29, 5289403), (49, 3130463), (203, 755629), (343, 447209), (1421, 107947), (2203, 69629), (2401, 63887), (9947, 15421)]