199603971

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67411}}^1$

素因数の和:67471

約数の個数: 24

約数和(自身を含む): 336520704

約数和(自身を除く): 136916733

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 67411, 202233, 471877, 606699, 1415631, 3168317, 4246893, 9504951, 22178219, 28514853, 66534657, 199603971]

約数ペア:

[(1, 199603971), (3, 66534657), (7, 28514853), (9, 22178219), (21, 9504951), (47, 4246893), (63, 3168317), (141, 1415631), (329, 606699), (423, 471877), (987, 202233), (2961, 67411)]