12978231

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16703}}^1$

素因数の和:16750

約数の個数: 16

約数和(自身を含む): 20312064

約数和(自身を除く): 7333833

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 16703, 50109, 116921, 350763, 618011, 1854033, 4326077, 12978231]

約数ペア:

[(1, 12978231), (3, 4326077), (7, 1854033), (21, 618011), (37, 350763), (111, 116921), (259, 50109), (777, 16703)]