156978981

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{337}}^1\times {\mathrm{709}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 230860760

約数和(自身を除く): 73881779

約数列:

[1, 3, 9, 73, 219, 337, 657, 709, 1011, 2127, 3033, 6381, 24601, 51757, 73803, 155271, 221409, 238933, 465813, 716799, 2150397, 17442109, 52326327, 156978981]

約数ペア:

[(1, 156978981), (3, 52326327), (9, 17442109), (73, 2150397), (219, 716799), (337, 465813), (657, 238933), (709, 221409), (1011, 155271), (2127, 73803), (3033, 51757), (6381, 24601)]