12621339

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 20328000

約数和(自身を除く): 7706661

約数列:

[1, 3, 9, 19, 27, 57, 59, 81, 139, 171, 177, 417, 513, 531, 1121, 1251, 1539, 1593, 2641, 3363, 3753, 4779, 7923, 8201, 10089, 11259, 23769, 24603, 30267, 71307, 73809, 90801, 155819, 213921, 221427, 467457, 664281, 1402371, 4207113, 12621339]

約数ペア:

[(1, 12621339), (3, 4207113), (9, 1402371), (19, 664281), (27, 467457), (57, 221427), (59, 213921), (81, 155819), (139, 90801), (171, 73809), (177, 71307), (417, 30267), (513, 24603), (531, 23769), (1121, 11259), (1251, 10089), (1539, 8201), (1593, 7923), (2641, 4779), (3363, 3753)]