128909871

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{1553}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 194908896

約数和(自身を除く): 65999025

約数列:

[1, 3, 9, 23, 69, 207, 401, 1203, 1553, 3609, 4659, 9223, 13977, 27669, 35719, 83007, 107157, 321471, 622753, 1868259, 5604777, 14323319, 42969957, 128909871]

約数ペア:

[(1, 128909871), (3, 42969957), (9, 14323319), (23, 5604777), (69, 1868259), (207, 622753), (401, 321471), (1203, 107157), (1553, 83007), (3609, 35719), (4659, 27669), (9223, 13977)]