207841221

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3779}}^1$

素因数の和:3895

約数の個数: 40

約数和(自身を含む): 358585920

約数和(自身を除く): 150744699

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 291, 567, 679, 873, 2037, 2619, 3779, 6111, 7857, 11337, 18333, 26453, 34011, 54999, 79359, 102033, 238077, 306099, 366563, 714231, 1099689, 2142693, 2565941, 3299067, 7697823, 9897201, 23093469, 29691603, 69280407, 207841221]

約数ペア:

[(1, 207841221), (3, 69280407), (7, 29691603), (9, 23093469), (21, 9897201), (27, 7697823), (63, 3299067), (81, 2565941), (97, 2142693), (189, 1099689), (291, 714231), (567, 366563), (679, 306099), (873, 238077), (2037, 102033), (2619, 79359), (3779, 54999), (6111, 34011), (7857, 26453), (11337, 18333)]