16219215

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2593}}^1$

素因数の和:2743

約数の個数: 24

約数和(自身を含む): 28326480

約数和(自身を除く): 12107265

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 2593, 6255, 7779, 12965, 23337, 38895, 116685, 360427, 1081281, 1802135, 3243843, 5406405, 16219215]

約数ペア:

[(1, 16219215), (3, 5406405), (5, 3243843), (9, 1802135), (15, 1081281), (45, 360427), (139, 116685), (417, 38895), (695, 23337), (1251, 12965), (2085, 7779), (2593, 6255)]