138740454

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{208319}}^1$

素因数の和:208364

約数の個数: 24

約数和(自身を含む): 308730240

約数和(自身を除く): 169989786

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 208319, 416638, 624957, 1249914, 1874871, 3749742, 7707803, 15415606, 23123409, 46246818, 69370227, 138740454]

約数ペア:

[(1, 138740454), (2, 69370227), (3, 46246818), (6, 23123409), (9, 15415606), (18, 7707803), (37, 3749742), (74, 1874871), (111, 1249914), (222, 624957), (333, 416638), (666, 208319)]