81254019

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{351749}}^1$

素因数の和:351770

約数の個数: 16

約数和(自身を含む): 135072000

約数和(自身を除く): 53817981

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 351749, 1055247, 2462243, 3869239, 7386729, 11607717, 27084673, 81254019]

約数ペア:

[(1, 81254019), (3, 27084673), (7, 11607717), (11, 7386729), (21, 3869239), (33, 2462243), (77, 1055247), (231, 351749)]