2991036111

素因数分解:

$3^1\times 7^1\times {\mathrm{7129}}^1\times {\mathrm{19979}}^1$

素因数の和:27118

約数の個数: 16

約数和(自身を含む): 4558636800

約数和(自身を除く): 1567600689

約数列:

[1, 3, 7, 21, 7129, 19979, 21387, 49903, 59937, 139853, 149709, 419559, 142430291, 427290873, 997012037, 2991036111]

約数ペア:

[(1, 2991036111), (3, 997012037), (7, 427290873), (21, 142430291), (7129, 419559), (19979, 149709), (21387, 139853), (49903, 59937)]