220171391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{911}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 243744768

約数和(自身を除く): 23573377

約数列:

[1, 11, 127, 173, 911, 1397, 1903, 10021, 21971, 115697, 157603, 241681, 1272667, 1733633, 20015581, 220171391]

約数ペア:

[(1, 220171391), (11, 20015581), (127, 1733633), (173, 1272667), (911, 241681), (1397, 157603), (1903, 115697), (10021, 21971)]