12690525

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4127}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 21498624

約数和(自身を除く): 8808099

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 4127, 12381, 20635, 61905, 103175, 169207, 309525, 507621, 846035, 2538105, 4230175, 12690525]

約数ペア:

[(1, 12690525), (3, 4230175), (5, 2538105), (15, 846035), (25, 507621), (41, 309525), (75, 169207), (123, 103175), (205, 61905), (615, 20635), (1025, 12381), (3075, 4127)]