198448299

素因数分解:

$3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3271}}^1$

素因数の和:3397

約数の個数: 40

約数和(自身を含む): 342067968

約数和(自身を除く): 143619669

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 321, 567, 749, 963, 2247, 2889, 3271, 6741, 8667, 9813, 20223, 22897, 29439, 60669, 68691, 88317, 206073, 264951, 349997, 618219, 1049991, 1854657, 2449979, 3149973, 7349937, 9449919, 22049811, 28349757, 66149433, 198448299]

約数ペア:

[(1, 198448299), (3, 66149433), (7, 28349757), (9, 22049811), (21, 9449919), (27, 7349937), (63, 3149973), (81, 2449979), (107, 1854657), (189, 1049991), (321, 618219), (567, 349997), (749, 264951), (963, 206073), (2247, 88317), (2889, 68691), (3271, 60669), (6741, 29439), (8667, 22897), (9813, 20223)]