398745267

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{53401}}^1$

素因数の和:53554

約数の個数: 16

約数和(自身を含む): 563925120

約数和(自身を除く): 165179853

約数列:

[1, 3, 19, 57, 131, 393, 2489, 7467, 53401, 160203, 1014619, 3043857, 6995531, 20986593, 132915089, 398745267]

約数ペア:

[(1, 398745267), (3, 132915089), (19, 20986593), (57, 6995531), (131, 3043857), (393, 1014619), (2489, 160203), (7467, 53401)]