217435209

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1\times {\mathrm{2143}}^1$

素因数の和:3268

約数の個数: 16

約数和(自身を含む): 299679744

約数和(自身を除く): 82244535

約数列:

[1, 3, 31, 93, 1091, 2143, 3273, 6429, 33821, 66433, 101463, 199299, 2338013, 7014039, 72478403, 217435209]

約数ペア:

[(1, 217435209), (3, 72478403), (31, 7014039), (93, 2338013), (1091, 199299), (2143, 101463), (3273, 66433), (6429, 33821)]