16389321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 24984960

約数和(自身を除く): 8595639

約数列:

[1, 3, 13, 29, 39, 43, 87, 129, 337, 377, 559, 1011, 1131, 1247, 1677, 3741, 4381, 9773, 13143, 14491, 16211, 29319, 43473, 48633, 127049, 188383, 381147, 420239, 565149, 1260717, 5463107, 16389321]

約数ペア:

[(1, 16389321), (3, 5463107), (13, 1260717), (29, 565149), (39, 420239), (43, 381147), (87, 188383), (129, 127049), (337, 48633), (377, 43473), (559, 29319), (1011, 16211), (1131, 14491), (1247, 13143), (1677, 9773), (3741, 4381)]