1640642691

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{22549}}^1$

素因数の和:22938

約数の個数: 16

約数和(自身を含む): 2222528000

約数和(自身を除く): 581885309

約数列:

[1, 3, 79, 237, 307, 921, 22549, 24253, 67647, 72759, 1781371, 5344113, 6922543, 20767629, 546880897, 1640642691]

約数ペア:

[(1, 1640642691), (3, 546880897), (79, 20767629), (237, 6922543), (307, 5344113), (921, 1781371), (22549, 72759), (24253, 67647)]