211820493

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4651}}^1$

素因数の和:4737

約数の個数: 32

約数和(自身を含む): 321546240

約数和(自身を除く): 109725747

約数列:

[1, 3, 17, 19, 47, 51, 57, 141, 323, 799, 893, 969, 2397, 2679, 4651, 13953, 15181, 45543, 79067, 88369, 218597, 237201, 265107, 655791, 1502273, 3716149, 4153343, 4506819, 11148447, 12460029, 70606831, 211820493]

約数ペア:

[(1, 211820493), (3, 70606831), (17, 12460029), (19, 11148447), (47, 4506819), (51, 4153343), (57, 3716149), (141, 1502273), (323, 655791), (799, 265107), (893, 237201), (969, 218597), (2397, 88369), (2679, 79067), (4651, 45543), (13953, 15181)]