31030293

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 48844800

約数和(自身を除く): 17814507

約数列:

[1, 3, 7, 21, 47, 141, 149, 211, 329, 447, 633, 987, 1043, 1477, 3129, 4431, 7003, 9917, 21009, 29751, 31439, 49021, 69419, 94317, 147063, 208257, 220073, 660219, 1477633, 4432899, 10343431, 31030293]

約数ペア:

[(1, 31030293), (3, 10343431), (7, 4432899), (21, 1477633), (47, 660219), (141, 220073), (149, 208257), (211, 147063), (329, 94317), (447, 69419), (633, 49021), (987, 31439), (1043, 29751), (1477, 21009), (3129, 9917), (4431, 7003)]