123811965

素因数分解:

$3^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{3203}}^1$

素因数の和:4073

約数の個数: 24

約数和(自身を含む): 214924320

約数和(自身を除く): 91112355

約数列:

[1, 3, 5, 9, 15, 45, 859, 2577, 3203, 4295, 7731, 9609, 12885, 16015, 28827, 38655, 48045, 144135, 2751377, 8254131, 13756885, 24762393, 41270655, 123811965]

約数ペア:

[(1, 123811965), (3, 41270655), (5, 24762393), (9, 13756885), (15, 8254131), (45, 2751377), (859, 144135), (2577, 48045), (3203, 38655), (4295, 28827), (7731, 16015), (9609, 12885)]