156973239

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 229916544

約数和(自身を除く): 72943305

約数列:

[1, 3, 9, 131, 211, 393, 631, 633, 1179, 1893, 1899, 5679, 27641, 82661, 82923, 133141, 247983, 248769, 399423, 743949, 1198269, 17441471, 52324413, 156973239]

約数ペア:

[(1, 156973239), (3, 52324413), (9, 17441471), (131, 1198269), (211, 743949), (393, 399423), (631, 248769), (633, 247983), (1179, 133141), (1893, 82923), (1899, 82661), (5679, 27641)]