31247307

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38153}}^1$

素因数の和:38179

約数の個数: 24

約数和(自身を含む): 55552224

約数和(自身を除く): 24304917

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 38153, 114459, 267071, 343377, 495989, 801213, 1487967, 2403639, 3471923, 4463901, 10415769, 31247307]

約数ペア:

[(1, 31247307), (3, 10415769), (7, 4463901), (9, 3471923), (13, 2403639), (21, 1487967), (39, 801213), (63, 495989), (91, 343377), (117, 267071), (273, 114459), (819, 38153)]