291216885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{967}}^1\times {\mathrm{1181}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 494284032

約数和(自身を除く): 203067147

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 967, 1181, 2901, 3543, 4835, 5905, 14505, 16439, 17715, 20077, 49317, 60231, 82195, 100385, 246585, 301155, 1142027, 3426081, 5710135, 17130405, 19414459, 58243377, 97072295, 291216885]

約数ペア:

[(1, 291216885), (3, 97072295), (5, 58243377), (15, 19414459), (17, 17130405), (51, 5710135), (85, 3426081), (255, 1142027), (967, 301155), (1181, 246585), (2901, 100385), (3543, 82195), (4835, 60231), (5905, 49317), (14505, 20077), (16439, 17715)]