1680172005

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2731987}}^1$

素因数の和:2732036

約数の個数: 16

約数和(自身を含む): 2753843904

約数和(自身を除く): 1073671899

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 2731987, 8195961, 13659935, 40979805, 112011467, 336034401, 560057335, 1680172005]

約数ペア:

[(1, 1680172005), (3, 560057335), (5, 336034401), (15, 112011467), (41, 40979805), (123, 13659935), (205, 8195961), (615, 2731987)]