81434521

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{44917}}^1$

素因数の和:44968

約数の個数: 12

約数和(自身を含む): 97292388

約数和(自身を除く): 15857867

約数列:

[1, 7, 37, 49, 259, 1813, 44917, 314419, 1661929, 2200933, 11633503, 81434521]

約数ペア:

[(1, 81434521), (7, 11633503), (37, 2200933), (49, 1661929), (259, 314419), (1813, 44917)]