258403389

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1\times {\mathrm{1987}}^1$

素因数の和:2704

約数の個数: 16

約数和(自身を含む): 350396928

約数和(自身を除く): 91993539

約数列:

[1, 3, 67, 201, 647, 1941, 1987, 5961, 43349, 130047, 133129, 399387, 1285589, 3856767, 86134463, 258403389]

約数ペア:

[(1, 258403389), (3, 86134463), (67, 3856767), (201, 1285589), (647, 399387), (1941, 133129), (1987, 130047), (5961, 43349)]