206972913

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1033}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 339482880

約数和(自身を除く): 132509967

約数列:

[1, 3, 7, 21, 29, 47, 49, 87, 141, 147, 203, 329, 609, 987, 1033, 1363, 1421, 2303, 3099, 4089, 4263, 6909, 7231, 9541, 21693, 28623, 29957, 48551, 50617, 66787, 89871, 145653, 151851, 200361, 209699, 339857, 629097, 1019571, 1407979, 1467893, 2378999, 4223937, 4403679, 7136997, 9855853, 29567559, 68990971, 206972913]

約数ペア:

[(1, 206972913), (3, 68990971), (7, 29567559), (21, 9855853), (29, 7136997), (47, 4403679), (49, 4223937), (87, 2378999), (141, 1467893), (147, 1407979), (203, 1019571), (329, 629097), (609, 339857), (987, 209699), (1033, 200361), (1363, 151851), (1421, 145653), (2303, 89871), (3099, 66787), (4089, 50617), (4263, 48551), (6909, 29957), (7231, 28623), (9541, 21693)]