680762961

素因数分解:

$3^4\times {\mathrm{1993}}^1\times {\mathrm{4217}}^1$

素因数の和:6222

約数の個数: 20

約数和(自身を含む): 1017693732

約数和(自身を除く): 336930771

約数列:

[1, 3, 9, 27, 81, 1993, 4217, 5979, 12651, 17937, 37953, 53811, 113859, 161433, 341577, 8404481, 25213443, 75640329, 226920987, 680762961]

約数ペア:

[(1, 680762961), (3, 226920987), (9, 75640329), (27, 25213443), (81, 8404481), (1993, 341577), (4217, 161433), (5979, 113859), (12651, 53811), (17937, 37953)]