280178217

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30431}}^1$

素因数の和:30482

約数の個数: 32

約数和(自身を含む): 467435520

約数和(自身を除く): 187257303

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 3069, 9207, 30431, 91293, 273879, 334741, 821637, 943361, 1004223, 2830083, 3012669, 8490249, 9038007, 10376971, 25470747, 31130913, 93392739, 280178217]

約数ペア:

[(1, 280178217), (3, 93392739), (9, 31130913), (11, 25470747), (27, 10376971), (31, 9038007), (33, 8490249), (93, 3012669), (99, 2830083), (279, 1004223), (297, 943361), (341, 821637), (837, 334741), (1023, 273879), (3069, 91293), (9207, 30431)]