17979717

素因数分解:

$3^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 28396800

約数和(自身を除く): 10417083

約数列:

[1, 3, 7, 21, 49, 101, 147, 173, 303, 343, 519, 707, 1029, 1211, 2121, 3633, 4949, 8477, 14847, 17473, 25431, 34643, 52419, 59339, 103929, 122311, 178017, 366933, 856177, 2568531, 5993239, 17979717]

約数ペア:

[(1, 17979717), (3, 5993239), (7, 2568531), (21, 856177), (49, 366933), (101, 178017), (147, 122311), (173, 103929), (303, 59339), (343, 52419), (519, 34643), (707, 25431), (1029, 17473), (1211, 14847), (2121, 8477), (3633, 4949)]