211961195721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1\times {\mathrm{81041}}^1$

素因数の和:81998

約数の個数: 48

約数和(自身を含む): 345900222720

約数和(自身を除く): 133939026999

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 911, 957, 2733, 2871, 8199, 10021, 26419, 30063, 79257, 81041, 90189, 237771, 243123, 290609, 729369, 871827, 891451, 2350189, 2615481, 2674353, 7050567, 8023059, 21151701, 25852079, 73828351, 77556237, 221485053, 232668711, 664455159, 812111861, 2141022179, 2436335583, 6423066537, 7309006749, 19269199611, 23551243969, 70653731907, 211961195721]

約数ペア:

[(1, 211961195721), (3, 70653731907), (9, 23551243969), (11, 19269199611), (29, 7309006749), (33, 6423066537), (87, 2436335583), (99, 2141022179), (261, 812111861), (319, 664455159), (911, 232668711), (957, 221485053), (2733, 77556237), (2871, 73828351), (8199, 25852079), (10021, 21151701), (26419, 8023059), (30063, 7050567), (79257, 2674353), (81041, 2615481), (90189, 2350189), (237771, 891451), (243123, 871827), (290609, 729369)]