378630021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1639091}}^1$

素因数の和:1639112

約数の個数: 16

約数和(自身を含む): 629411328

約数和(自身を除く): 250781307

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 1639091, 4917273, 11473637, 18030001, 34420911, 54090003, 126210007, 378630021]

約数ペア:

[(1, 378630021), (3, 126210007), (7, 54090003), (11, 34420911), (21, 18030001), (33, 11473637), (77, 4917273), (231, 1639091)]