289809315

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{280009}}^1$

素因数の和:280043

約数の個数: 24

約数和(自身を含む): 524178720

約数和(自身を除く): 234369405

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 280009, 840027, 1400045, 2520081, 4200135, 6440207, 12600405, 19320621, 32201035, 57961863, 96603105, 289809315]

約数ペア:

[(1, 289809315), (3, 96603105), (5, 57961863), (9, 32201035), (15, 19320621), (23, 12600405), (45, 6440207), (69, 4200135), (115, 2520081), (207, 1400045), (345, 840027), (1035, 280009)]