87513321

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{443}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 139806720

約数和(自身を除く): 52293399

約数列:

[1, 3, 7, 21, 23, 69, 161, 409, 443, 483, 1227, 1329, 2863, 3101, 8589, 9303, 9407, 10189, 28221, 30567, 65849, 71323, 181187, 197547, 213969, 543561, 1268309, 3804927, 4167301, 12501903, 29171107, 87513321]

約数ペア:

[(1, 87513321), (3, 29171107), (7, 12501903), (21, 4167301), (23, 3804927), (69, 1268309), (161, 543561), (409, 213969), (443, 197547), (483, 181187), (1227, 71323), (1329, 65849), (2863, 30567), (3101, 28221), (8589, 10189), (9303, 9407)]