21646197

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1332

約数の個数: 28

約数和(自身を含む): 33891744

約数和(自身を除く): 12245547

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 729, 1291, 1863, 3873, 5589, 11619, 16767, 29693, 34857, 89079, 104571, 267237, 313713, 801711, 941139, 2405133, 7215399, 21646197]

約数ペア:

[(1, 21646197), (3, 7215399), (9, 2405133), (23, 941139), (27, 801711), (69, 313713), (81, 267237), (207, 104571), (243, 89079), (621, 34857), (729, 29693), (1291, 16767), (1863, 11619), (3873, 5589)]