16981713

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2617}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 28316288

約数和(自身を除く): 11334575

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 2617, 6489, 7851, 18319, 23553, 54957, 164871, 269551, 808653, 1886857, 2425959, 5660571, 16981713]

約数ペア:

[(1, 16981713), (3, 5660571), (7, 2425959), (9, 1886857), (21, 808653), (63, 269551), (103, 164871), (309, 54957), (721, 23553), (927, 18319), (2163, 7851), (2617, 6489)]