157040541

素因数分解:

$3^2\times 7^2\times {\mathrm{356101}}^1$

素因数の和:356121

約数の個数: 18

約数和(自身を含む): 263871582

約数和(自身を除く): 106831041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 356101, 1068303, 2492707, 3204909, 7478121, 17448949, 22434363, 52346847, 157040541]

約数ペア:

[(1, 157040541), (3, 52346847), (7, 22434363), (9, 17448949), (21, 7478121), (49, 3204909), (63, 2492707), (147, 1068303), (441, 356101)]