280053765

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{47507}}^1$

素因数の和:47649

約数の個数: 24

約数和(自身を含む): 489142368

約数和(自身を除く): 209088603

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 47507, 142521, 237535, 427563, 712605, 2137815, 6223417, 18670251, 31117085, 56010753, 93351255, 280053765]

約数ペア:

[(1, 280053765), (3, 93351255), (5, 56010753), (9, 31117085), (15, 18670251), (45, 6223417), (131, 2137815), (393, 712605), (655, 427563), (1179, 237535), (1965, 142521), (5895, 47507)]