207870789

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{13729}}^1$

素因数の和:13849

約数の個数: 24

約数和(自身を含む): 325565760

約数和(自身を除く): 117694971

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 13729, 15141, 41187, 96103, 288309, 672721, 1414087, 2018163, 4242261, 9898609, 29695827, 69290263, 207870789]

約数ペア:

[(1, 207870789), (3, 69290263), (7, 29695827), (21, 9898609), (49, 4242261), (103, 2018163), (147, 1414087), (309, 672721), (721, 288309), (2163, 96103), (5047, 41187), (13729, 15141)]