211319199

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28669}}^1$

素因数の和:28701

約数の個数: 40

約数和(自身を含む): 388535840

約数和(自身を除く): 177216641

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 28669, 86007, 200683, 258021, 372697, 602049, 774063, 1118091, 1806147, 2322189, 2608879, 3354273, 5418441, 7826637, 10062819, 16255323, 23479911, 30188457, 70439733, 211319199]

約数ペア:

[(1, 211319199), (3, 70439733), (7, 30188457), (9, 23479911), (13, 16255323), (21, 10062819), (27, 7826637), (39, 5418441), (63, 3354273), (81, 2608879), (91, 2322189), (117, 1806147), (189, 1118091), (273, 774063), (351, 602049), (567, 372697), (819, 258021), (1053, 200683), (2457, 86007), (7371, 28669)]