207891405

素因数分解:

$3^2\times 5^1\times {\mathrm{4619809}}^1$

素因数の和:4619820

約数の個数: 12

約数和(自身を含む): 360345180

約数和(自身を除く): 152453775

約数列:

[1, 3, 5, 9, 15, 45, 4619809, 13859427, 23099045, 41578281, 69297135, 207891405]

約数ペア:

[(1, 207891405), (3, 69297135), (5, 41578281), (9, 23099045), (15, 13859427), (45, 4619809)]