389699079

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1687009}}^1$

素因数の和:1687030

約数の個数: 16

約数和(自身を含む): 647811840

約数和(自身を除く): 258112761

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 1687009, 5061027, 11809063, 18557099, 35427189, 55671297, 129899693, 389699079]

約数ペア:

[(1, 389699079), (3, 129899693), (7, 55671297), (11, 35427189), (21, 18557099), (33, 11809063), (77, 5061027), (231, 1687009)]