13191321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 20942208

約数和(自身を除く): 7750887

約数列:

[1, 3, 11, 13, 33, 39, 97, 143, 291, 317, 429, 951, 1067, 1261, 3201, 3487, 3783, 4121, 10461, 12363, 13871, 30749, 41613, 45331, 92247, 135993, 338239, 399737, 1014717, 1199211, 4397107, 13191321]

約数ペア:

[(1, 13191321), (3, 4397107), (11, 1199211), (13, 1014717), (33, 399737), (39, 338239), (97, 135993), (143, 92247), (291, 45331), (317, 41613), (429, 30749), (951, 13871), (1067, 12363), (1261, 10461), (3201, 4121), (3487, 3783)]