2018021439

素因数分解:

$3^1\times 7^2\times {\mathrm{13728037}}^1$

素因数の和:13728054

約数の個数: 12

約数和(自身を含む): 3129992664

約数和(自身を除く): 1111971225

約数列:

[1, 3, 7, 21, 49, 147, 13728037, 41184111, 96096259, 288288777, 672673813, 2018021439]

約数ペア:

[(1, 2018021439), (3, 672673813), (7, 288288777), (21, 96096259), (49, 41184111), (147, 13728037)]