12878811

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 21066240

約数和(自身を除く): 8187429

約数列:

[1, 3, 9, 11, 27, 33, 99, 103, 297, 309, 421, 927, 1133, 1263, 2781, 3399, 3789, 4631, 10197, 11367, 13893, 30591, 41679, 43363, 125037, 130089, 390267, 476993, 1170801, 1430979, 4292937, 12878811]

約数ペア:

[(1, 12878811), (3, 4292937), (9, 1430979), (11, 1170801), (27, 476993), (33, 390267), (99, 130089), (103, 125037), (297, 43363), (309, 41679), (421, 30591), (927, 13893), (1133, 11367), (1263, 10197), (2781, 4631), (3399, 3789)]