208528047

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{84871}}^1$

素因数の和:84900

約数の個数: 32

約数和(自身を含む): 380226560

約数和(自身を除く): 171698513

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 84871, 254613, 594097, 763839, 1103323, 1782291, 2291517, 3309969, 5346873, 7723261, 9929907, 16040619, 23169783, 29789721, 69509349, 208528047]

約数ペア:

[(1, 208528047), (3, 69509349), (7, 29789721), (9, 23169783), (13, 16040619), (21, 9929907), (27, 7723261), (39, 5346873), (63, 3309969), (91, 2291517), (117, 1782291), (189, 1103323), (273, 763839), (351, 594097), (819, 254613), (2457, 84871)]