80907765

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{13451}}^1$

素因数の和:13860

約数の個数: 16

約数和(自身を含む): 129784896

約数和(自身を除く): 48877131

約数列:

[1, 3, 5, 15, 401, 1203, 2005, 6015, 13451, 40353, 67255, 201765, 5393851, 16181553, 26969255, 80907765]

約数ペア:

[(1, 80907765), (3, 26969255), (5, 16181553), (15, 5393851), (401, 201765), (1203, 67255), (2005, 40353), (6015, 13451)]