11991057

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 17620704

約数和(自身を除く): 5629647

約数列:

[1, 3, 13, 39, 67, 169, 201, 353, 507, 871, 1059, 2613, 4589, 11323, 13767, 23651, 33969, 59657, 70953, 178971, 307463, 922389, 3997019, 11991057]

約数ペア:

[(1, 11991057), (3, 3997019), (13, 922389), (39, 307463), (67, 178971), (169, 70953), (201, 59657), (353, 33969), (507, 23651), (871, 13767), (1059, 11323), (2613, 4589)]