209543187

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{50651}}^1$

素因数の和:50858

約数の個数: 16

約数和(自身を含む): 320931072

約数和(自身を除く): 111387885

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 50651, 151953, 354557, 1063671, 9978247, 29934741, 69847729, 209543187]

約数ペア:

[(1, 209543187), (3, 69847729), (7, 29934741), (21, 9978247), (197, 1063671), (591, 354557), (1379, 151953), (4137, 50651)]