447937857

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{8291}}^1$

素因数の和:8355

約数の個数: 40

約数和(自身を含む): 722399040

約数和(自身を除く): 274461183

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 207, 261, 621, 667, 783, 1863, 2001, 2349, 6003, 8291, 18009, 24873, 54027, 74619, 190693, 223857, 240439, 572079, 671571, 721317, 1716237, 2163951, 5148711, 5530097, 6491853, 15446133, 16590291, 19475559, 49770873, 149312619, 447937857]

約数ペア:

[(1, 447937857), (3, 149312619), (9, 49770873), (23, 19475559), (27, 16590291), (29, 15446133), (69, 6491853), (81, 5530097), (87, 5148711), (207, 2163951), (261, 1716237), (621, 721317), (667, 671571), (783, 572079), (1863, 240439), (2001, 223857), (2349, 190693), (6003, 74619), (8291, 54027), (18009, 24873)]