209224071

素因数分解:

$3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{3463}}^1$

素因数の和:3620

約数の個数: 36

約数和(自身を含む): 354221712

約数和(自身を除く): 144997641

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 411, 441, 959, 1233, 2877, 3463, 6713, 8631, 10389, 20139, 24241, 31167, 60417, 72723, 169687, 218169, 474431, 509061, 1423293, 1527183, 3321017, 4269879, 9963051, 23247119, 29889153, 69741357, 209224071]

約数ペア:

[(1, 209224071), (3, 69741357), (7, 29889153), (9, 23247119), (21, 9963051), (49, 4269879), (63, 3321017), (137, 1527183), (147, 1423293), (411, 509061), (441, 474431), (959, 218169), (1233, 169687), (2877, 72723), (3463, 60417), (6713, 31167), (8631, 24241), (10389, 20139)]