646830081

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{811}}^1\times {\mathrm{3853}}^1$

素因数の和:4693

約数の個数: 24

約数和(自身を含む): 976387776

約数和(自身を除く): 329557695

約数列:

[1, 3, 9, 23, 69, 207, 811, 2433, 3853, 7299, 11559, 18653, 34677, 55959, 88619, 167877, 265857, 797571, 3124783, 9374349, 28123047, 71870009, 215610027, 646830081]

約数ペア:

[(1, 646830081), (3, 215610027), (9, 71870009), (23, 28123047), (69, 9374349), (207, 3124783), (811, 797571), (2433, 265857), (3853, 167877), (7299, 88619), (11559, 55959), (18653, 34677)]