39892209

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{18443}}^1$

素因数の和:18556

約数の個数: 16

約数和(自身を含む): 61381632

約数和(自身を除く): 21489423

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 18443, 55329, 129101, 387303, 1899629, 5698887, 13297403, 39892209]

約数ペア:

[(1, 39892209), (3, 13297403), (7, 5698887), (21, 1899629), (103, 387303), (309, 129101), (721, 55329), (2163, 18443)]