28280469

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2141}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 46884096

約数和(自身を除く): 18603627

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1887, 2141, 4403, 6423, 13209, 14987, 36397, 44961, 79217, 109191, 237651, 254779, 554519, 764337, 1346689, 1663557, 4040067, 9426823, 28280469]

約数ペア:

[(1, 28280469), (3, 9426823), (7, 4040067), (17, 1663557), (21, 1346689), (37, 764337), (51, 554519), (111, 254779), (119, 237651), (259, 109191), (357, 79217), (629, 44961), (777, 36397), (1887, 14987), (2141, 13209), (4403, 6423)]