20131218009

素因数分解:

$3^3\times 7^1\times {\mathrm{106514381}}^1$

素因数の和:106514397

約数の個数: 16

約数和(自身を含む): 34084602240

約数和(自身を除く): 13953384231

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 106514381, 319543143, 745600667, 958629429, 2236802001, 2875888287, 6710406003, 20131218009]

約数ペア:

[(1, 20131218009), (3, 6710406003), (7, 2875888287), (9, 2236802001), (21, 958629429), (27, 745600667), (63, 319543143), (189, 106514381)]