13198119

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 20072448

約数和(自身を除く): 6874329

約数列:

[1, 3, 11, 33, 43, 71, 129, 131, 213, 393, 473, 781, 1419, 1441, 2343, 3053, 4323, 5633, 9159, 9301, 16899, 27903, 33583, 61963, 100749, 102311, 185889, 306933, 399943, 1199829, 4399373, 13198119]

約数ペア:

[(1, 13198119), (3, 4399373), (11, 1199829), (33, 399943), (43, 306933), (71, 185889), (129, 102311), (131, 100749), (213, 61963), (393, 33583), (473, 27903), (781, 16899), (1419, 9301), (1441, 9159), (2343, 5633), (3053, 4323)]