191817879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 289038336

約数和(自身を除く): 97220457

約数列:

[1, 3, 11, 33, 37, 111, 127, 381, 407, 1221, 1237, 1397, 3711, 4191, 4699, 13607, 14097, 40821, 45769, 51689, 137307, 155067, 157099, 471297, 503459, 1510377, 1728089, 5184267, 5812663, 17437989, 63939293, 191817879]

約数ペア:

[(1, 191817879), (3, 63939293), (11, 17437989), (33, 5812663), (37, 5184267), (111, 1728089), (127, 1510377), (381, 503459), (407, 471297), (1221, 157099), (1237, 155067), (1397, 137307), (3711, 51689), (4191, 45769), (4699, 40821), (13607, 14097)]