281946147

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61871}}^1$

素因数の和:61919

約数の個数: 24

約数和(自身を含む): 451418112

約数和(自身を除く): 169471965

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 61871, 185613, 433097, 1299291, 1918001, 3031679, 5754003, 9095037, 13426007, 40278021, 93982049, 281946147]

約数ペア:

[(1, 281946147), (3, 93982049), (7, 40278021), (21, 13426007), (31, 9095037), (49, 5754003), (93, 3031679), (147, 1918001), (217, 1299291), (651, 433097), (1519, 185613), (4557, 61871)]