12897291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 19641600

約数和(自身を除く): 6744309

約数列:

[1, 3, 11, 33, 43, 61, 129, 149, 183, 447, 473, 671, 1419, 1639, 2013, 2623, 4917, 6407, 7869, 9089, 19221, 27267, 28853, 70477, 86559, 99979, 211431, 299937, 390827, 1172481, 4299097, 12897291]

約数ペア:

[(1, 12897291), (3, 4299097), (11, 1172481), (33, 390827), (43, 299937), (61, 211431), (129, 99979), (149, 86559), (183, 70477), (447, 28853), (473, 27267), (671, 19221), (1419, 9089), (1639, 7869), (2013, 6407), (2623, 4917)]