209225853

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1022

約数の個数: 36

約数和(自身を含む): 323807328

約数和(自身を除く): 114581475

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 361, 639, 907, 1083, 1349, 2721, 3249, 4047, 8163, 12141, 17233, 25631, 51699, 64397, 76893, 155097, 193191, 230679, 327427, 579573, 982281, 1223543, 2946843, 3670629, 11011887, 23247317, 69741951, 209225853]

約数ペア:

[(1, 209225853), (3, 69741951), (9, 23247317), (19, 11011887), (57, 3670629), (71, 2946843), (171, 1223543), (213, 982281), (361, 579573), (639, 327427), (907, 230679), (1083, 193191), (1349, 155097), (2721, 76893), (3249, 64397), (4047, 51699), (8163, 25631), (12141, 17233)]