201820423

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1\times {\mathrm{2617}}^1$

素因数の和:3126

約数の個数: 16

約数和(自身を含む): 241274880

約数和(自身を除く): 39454457

約数列:

[1, 7, 23, 161, 479, 2617, 3353, 11017, 18319, 60191, 77119, 421337, 1253543, 8774801, 28831489, 201820423]

約数ペア:

[(1, 201820423), (7, 28831489), (23, 8774801), (161, 1253543), (479, 421337), (2617, 77119), (3353, 60191), (11017, 18319)]