2019045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 3907008

約数和(自身を除く): 1887963

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 67, 105, 123, 147, 201, 205, 245, 287, 335, 469, 615, 735, 861, 1005, 1407, 1435, 2009, 2345, 2747, 3283, 4305, 6027, 7035, 8241, 9849, 10045, 13735, 16415, 19229, 30135, 41205, 49245, 57687, 96145, 134603, 288435, 403809, 673015, 2019045]

約数ペア:

[(1, 2019045), (3, 673015), (5, 403809), (7, 288435), (15, 134603), (21, 96145), (35, 57687), (41, 49245), (49, 41205), (67, 30135), (105, 19229), (123, 16415), (147, 13735), (201, 10045), (205, 9849), (245, 8241), (287, 7035), (335, 6027), (469, 4305), (615, 3283), (735, 2747), (861, 2345), (1005, 2009), (1407, 1435)]