189021951

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 286295040

約数和(自身を除く): 97273089

約数列:

[1, 3, 9, 27, 71, 151, 213, 453, 639, 653, 1359, 1917, 1959, 4077, 5877, 10721, 17631, 32163, 46363, 96489, 98603, 139089, 289467, 295809, 417267, 887427, 1251801, 2662281, 7000813, 21002439, 63007317, 189021951]

約数ペア:

[(1, 189021951), (3, 63007317), (9, 21002439), (27, 7000813), (71, 2662281), (151, 1251801), (213, 887427), (453, 417267), (639, 295809), (653, 289467), (1359, 139089), (1917, 98603), (1959, 96489), (4077, 46363), (5877, 32163), (10721, 17631)]