12878217

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 21035520

約数和(自身を除く): 8157303

約数列:

[1, 3, 9, 11, 27, 33, 99, 131, 297, 331, 393, 993, 1179, 1441, 2979, 3537, 3641, 4323, 8937, 10923, 12969, 32769, 38907, 43361, 98307, 130083, 390249, 476971, 1170747, 1430913, 4292739, 12878217]

約数ペア:

[(1, 12878217), (3, 4292739), (9, 1430913), (11, 1170747), (27, 476971), (33, 390249), (99, 130083), (131, 98307), (297, 43361), (331, 38907), (393, 32769), (993, 12969), (1179, 10923), (1441, 8937), (2979, 4323), (3537, 3641)]