17991519

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1117}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 30051840

約数和(自身を除く): 12060321

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 1117, 1239, 2301, 3351, 5369, 7819, 14521, 16107, 23457, 43563, 65903, 101647, 197709, 304941, 461321, 856739, 1383963, 2570217, 5997173, 17991519]

約数ペア:

[(1, 17991519), (3, 5997173), (7, 2570217), (13, 1383963), (21, 856739), (39, 461321), (59, 304941), (91, 197709), (177, 101647), (273, 65903), (413, 43563), (767, 23457), (1117, 16107), (1239, 14521), (2301, 7819), (3351, 5369)]