205657489989

素因数分解:

$3^2\times 7^1\times {\mathrm{51047}}^1\times {\mathrm{63949}}^1$

素因数の和:115009

約数の個数: 24

約数和(自身を含む): 339510038400

約数和(自身を除く): 133852548411

約数列:

[1, 3, 7, 9, 21, 63, 51047, 63949, 153141, 191847, 357329, 447643, 459423, 575541, 1071987, 1342929, 3215961, 4028787, 3264404603, 9793213809, 22850832221, 29379641427, 68552496663, 205657489989]

約数ペア:

[(1, 205657489989), (3, 68552496663), (7, 29379641427), (9, 22850832221), (21, 9793213809), (63, 3264404603), (51047, 4028787), (63949, 3215961), (153141, 1342929), (191847, 1071987), (357329, 575541), (447643, 459423)]