161343

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 288288

約数和(自身を除く): 126945

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 197, 273, 591, 819, 1379, 1773, 2561, 4137, 7683, 12411, 17927, 23049, 53781, 161343]

約数ペア:

[(1, 161343), (3, 53781), (7, 23049), (9, 17927), (13, 12411), (21, 7683), (39, 4137), (63, 2561), (91, 1773), (117, 1379), (197, 819), (273, 591)]