13557429

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 21194880

約数和(自身を除く): 7637451

約数列:

[1, 3, 9, 27, 37, 41, 111, 123, 331, 333, 369, 993, 999, 1107, 1517, 2979, 4551, 8937, 12247, 13571, 13653, 36741, 40713, 40959, 110223, 122139, 330669, 366417, 502127, 1506381, 4519143, 13557429]

約数ペア:

[(1, 13557429), (3, 4519143), (9, 1506381), (27, 502127), (37, 366417), (41, 330669), (111, 122139), (123, 110223), (331, 40959), (333, 40713), (369, 36741), (993, 13653), (999, 13571), (1107, 12247), (1517, 8937), (2979, 4551)]