401026707

素因数分解:

$3^4\times {\mathrm{709}}^1\times {\mathrm{6983}}^1$

素因数の和:7704

約数の個数: 20

約数和(自身を含む): 599995440

約数和(自身を除く): 198968733

約数列:

[1, 3, 9, 27, 81, 709, 2127, 6381, 6983, 19143, 20949, 57429, 62847, 188541, 565623, 4950947, 14852841, 44558523, 133675569, 401026707]

約数ペア:

[(1, 401026707), (3, 133675569), (9, 44558523), (27, 14852841), (81, 4950947), (709, 565623), (2127, 188541), (6381, 62847), (6983, 57429), (19143, 20949)]