11991903

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51913}}^1$

素因数の和:51934

約数の個数: 16

約数和(自身を含む): 19934976

約数和(自身を除く): 7943073

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 51913, 155739, 363391, 571043, 1090173, 1713129, 3997301, 11991903]

約数ペア:

[(1, 11991903), (3, 3997301), (7, 1713129), (11, 1090173), (21, 571043), (33, 363391), (77, 155739), (231, 51913)]