12531123

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:376

約数の個数: 36

約数和(自身を含む): 20499024

約数和(自身を除く): 7967901

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 121, 311, 333, 363, 407, 933, 1089, 1221, 2799, 3421, 3663, 4477, 10263, 11507, 13431, 30789, 34521, 37631, 40293, 103563, 112893, 126577, 338679, 379731, 1139193, 1392347, 4177041, 12531123]

約数ペア:

[(1, 12531123), (3, 4177041), (9, 1392347), (11, 1139193), (33, 379731), (37, 338679), (99, 126577), (111, 112893), (121, 103563), (311, 40293), (333, 37631), (363, 34521), (407, 30789), (933, 13431), (1089, 11507), (1221, 10263), (2799, 4477), (3421, 3663)]