720271197

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{128873}}^1$

素因数の和:128911

約数の個数: 24

約数和(自身を含む): 1125843264

約数和(自身を除く): 405572067

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 5589, 128873, 386619, 1159857, 2964079, 3479571, 8892237, 10438713, 26676711, 31316139, 80030133, 240090399, 720271197]

約数ペア:

[(1, 720271197), (3, 240090399), (9, 80030133), (23, 31316139), (27, 26676711), (69, 10438713), (81, 8892237), (207, 3479571), (243, 2964079), (621, 1159857), (1863, 386619), (5589, 128873)]