213301309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{877}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 234973872

約数和(自身を除く): 21672563

約数列:

[1, 13, 53, 353, 689, 877, 4589, 11401, 18709, 46481, 243217, 309581, 604253, 4024553, 16407793, 213301309]

約数ペア:

[(1, 213301309), (13, 16407793), (53, 4024553), (353, 604253), (689, 309581), (877, 243217), (4589, 46481), (11401, 18709)]