7128819

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 11082240

約数和(自身を除く): 3953421

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 887, 893, 2661, 2679, 7983, 8037, 16853, 41689, 50559, 125067, 151677, 375201, 792091, 2376273, 7128819]

約数ペア:

[(1, 7128819), (3, 2376273), (9, 792091), (19, 375201), (47, 151677), (57, 125067), (141, 50559), (171, 41689), (423, 16853), (887, 8037), (893, 7983), (2661, 2679)]