204729903

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7793}}^1$

素因数の和:7948

約数の個数: 32

約数和(自身を含む): 349171200

約数和(自身を除く): 144441297

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2919, 3753, 7793, 8757, 23379, 26271, 54551, 70137, 163653, 210411, 490959, 1083227, 1472877, 3249681, 7582589, 9749043, 22747767, 29247129, 68243301, 204729903]

約数ペア:

[(1, 204729903), (3, 68243301), (7, 29247129), (9, 22747767), (21, 9749043), (27, 7582589), (63, 3249681), (139, 1472877), (189, 1083227), (417, 490959), (973, 210411), (1251, 163653), (2919, 70137), (3753, 54551), (7793, 26271), (8757, 23379)]