16628355

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3329}}^1$

素因数の和:3380

約数の個数: 32

約数和(自身を含む): 30369600

約数和(自身を除く): 13741245

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 3329, 4995, 9987, 16645, 29961, 49935, 89883, 123173, 149805, 369519, 449415, 615865, 1108557, 1847595, 3325671, 5542785, 16628355]

約数ペア:

[(1, 16628355), (3, 5542785), (5, 3325671), (9, 1847595), (15, 1108557), (27, 615865), (37, 449415), (45, 369519), (111, 149805), (135, 123173), (185, 89883), (333, 49935), (555, 29961), (999, 16645), (1665, 9987), (3329, 4995)]