204784083

素因数分解:

$3^2\times 7^2\times {\mathrm{421}}^1\times {\mathrm{1103}}^1$

素因数の和:1544

約数の個数: 36

約数和(自身を含む): 345223008

約数和(自身を除く): 140438925

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 421, 441, 1103, 1263, 2947, 3309, 3789, 7721, 8841, 9927, 20629, 23163, 26523, 54047, 61887, 69489, 162141, 185661, 464363, 486423, 1393089, 3250541, 4179267, 9751623, 22753787, 29254869, 68261361, 204784083]

約数ペア:

[(1, 204784083), (3, 68261361), (7, 29254869), (9, 22753787), (21, 9751623), (49, 4179267), (63, 3250541), (147, 1393089), (421, 486423), (441, 464363), (1103, 185661), (1263, 162141), (2947, 69489), (3309, 61887), (3789, 54047), (7721, 26523), (8841, 23163), (9927, 20629)]