11991969

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 20060832

約数和(自身を除く): 8068863

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 297, 313, 387, 473, 891, 939, 1161, 1419, 2817, 3443, 3483, 4257, 8451, 10329, 12771, 13459, 25353, 30987, 38313, 40377, 92961, 121131, 148049, 278883, 363393, 444147, 1090179, 1332441, 3997323, 11991969]

約数ペア:

[(1, 11991969), (3, 3997323), (9, 1332441), (11, 1090179), (27, 444147), (33, 363393), (43, 278883), (81, 148049), (99, 121131), (129, 92961), (297, 40377), (313, 38313), (387, 30987), (473, 25353), (891, 13459), (939, 12771), (1161, 10329), (1419, 8451), (2817, 4257), (3443, 3483)]