3971187

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{4457}}^1$

素因数の和:4480

約数の個数: 20

約数和(自身を含む): 6473016

約数和(自身を除く): 2501829

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 4457, 13371, 40113, 49027, 120339, 147081, 361017, 441243, 1323729, 3971187]

約数ペア:

[(1, 3971187), (3, 1323729), (9, 441243), (11, 361017), (27, 147081), (33, 120339), (81, 49027), (99, 40113), (297, 13371), (891, 4457)]