31551903

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 16601697

約数列:

[1, 3, 9, 27, 71, 109, 151, 213, 327, 453, 639, 981, 1359, 1917, 2943, 4077, 7739, 10721, 16459, 23217, 32163, 49377, 69651, 96489, 148131, 208953, 289467, 444393, 1168589, 3505767, 10517301, 31551903]

約数ペア:

[(1, 31551903), (3, 10517301), (9, 3505767), (27, 1168589), (71, 444393), (109, 289467), (151, 208953), (213, 148131), (327, 96489), (453, 69651), (639, 49377), (981, 32163), (1359, 23217), (1917, 16459), (2943, 10721), (4077, 7739)]