253998

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 24

約数和(自身を含む): 559728

約数和(自身を除く): 305730

約数列:

[1, 2, 3, 6, 9, 18, 103, 137, 206, 274, 309, 411, 618, 822, 927, 1233, 1854, 2466, 14111, 28222, 42333, 84666, 126999, 253998]

約数ペア:

[(1, 253998), (2, 126999), (3, 84666), (6, 42333), (9, 28222), (18, 14111), (103, 2466), (137, 1854), (206, 1233), (274, 927), (309, 822), (411, 618)]