81209085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{318467}}^1$

素因数の和:318492

約数の個数: 16

約数和(自身を含む): 137578176

約数和(自身を除く): 56369091

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 318467, 955401, 1592335, 4777005, 5413939, 16241817, 27069695, 81209085]

約数ペア:

[(1, 81209085), (3, 27069695), (5, 16241817), (15, 5413939), (17, 4777005), (51, 1592335), (85, 955401), (255, 318467)]