29991339

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11071}}^1$

素因数の和:11127

約数の個数: 24

約数和(自身を含む): 50665472

約数和(自身を除く): 20674133

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 11071, 33213, 77497, 99639, 232491, 476053, 697473, 1428159, 3332371, 4284477, 9997113, 29991339]

約数ペア:

[(1, 29991339), (3, 9997113), (7, 4284477), (9, 3332371), (21, 1428159), (43, 697473), (63, 476053), (129, 232491), (301, 99639), (387, 77497), (903, 33213), (2709, 11071)]