13221765

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2647}}^1$

素因数の和:2698

約数の個数: 32

約数和(自身を含む): 24149760

約数和(自身を除く): 10927995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 2647, 4995, 7941, 13235, 23823, 39705, 71469, 97939, 119115, 293817, 357345, 489695, 881451, 1469085, 2644353, 4407255, 13221765]

約数ペア:

[(1, 13221765), (3, 4407255), (5, 2644353), (9, 1469085), (15, 881451), (27, 489695), (37, 357345), (45, 293817), (111, 119115), (135, 97939), (185, 71469), (333, 39705), (555, 23823), (999, 13235), (1665, 7941), (2647, 4995)]