11520531

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 18673200

約数和(自身を除く): 7152669

約数列:

[1, 3, 9, 11, 33, 71, 99, 121, 149, 213, 363, 447, 639, 781, 1089, 1341, 1639, 2343, 4917, 7029, 8591, 10579, 14751, 18029, 25773, 31737, 54087, 77319, 95211, 116369, 162261, 349107, 1047321, 1280059, 3840177, 11520531]

約数ペア:

[(1, 11520531), (3, 3840177), (9, 1280059), (11, 1047321), (33, 349107), (71, 162261), (99, 116369), (121, 95211), (149, 77319), (213, 54087), (363, 31737), (447, 25773), (639, 18029), (781, 14751), (1089, 10579), (1341, 8591), (1639, 7029), (2343, 4917)]