16803905

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 22214520

約数和(自身を除く): 5410615

約数列:

[1, 5, 17, 29, 85, 145, 289, 401, 493, 1445, 2005, 2465, 6817, 8381, 11629, 34085, 41905, 58145, 115889, 197693, 579445, 988465, 3360781, 16803905]

約数ペア:

[(1, 16803905), (5, 3360781), (17, 988465), (29, 579445), (85, 197693), (145, 115889), (289, 58145), (401, 41905), (493, 34085), (1445, 11629), (2005, 8381), (2465, 6817)]