13998321

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 20993024

約数和(自身を除く): 6994703

約数列:

[1, 3, 9, 37, 111, 127, 331, 333, 381, 993, 1143, 2979, 4699, 12247, 14097, 36741, 42037, 42291, 110223, 126111, 378333, 1555369, 4666107, 13998321]

約数ペア:

[(1, 13998321), (3, 4666107), (9, 1555369), (37, 378333), (111, 126111), (127, 110223), (331, 42291), (333, 42037), (381, 36741), (993, 14097), (1143, 12247), (2979, 4699)]