201621407

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{1009}}^1$

素因数の和:1850

約数の個数: 16

約数和(自身を含む): 229068000

約数和(自身を除く): 27446593

約数列:

[1, 13, 19, 247, 809, 1009, 10517, 13117, 15371, 19171, 199823, 249223, 816281, 10611653, 15509339, 201621407]

約数ペア:

[(1, 201621407), (13, 15509339), (19, 10611653), (247, 816281), (809, 249223), (1009, 199823), (10517, 19171), (13117, 15371)]