16020369

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 24641280

約数和(自身を除く): 8620911

約数列:

[1, 3, 9, 27, 61, 71, 137, 183, 213, 411, 549, 639, 1233, 1647, 1917, 3699, 4331, 8357, 9727, 12993, 25071, 29181, 38979, 75213, 87543, 116937, 225639, 262629, 593347, 1780041, 5340123, 16020369]

約数ペア:

[(1, 16020369), (3, 5340123), (9, 1780041), (27, 593347), (61, 262629), (71, 225639), (137, 116937), (183, 87543), (213, 75213), (411, 38979), (549, 29181), (639, 25071), (1233, 12993), (1647, 9727), (1917, 8357), (3699, 4331)]