2155061111

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{330683}}^1$

素因数の和:330723

約数の個数: 16

約数和(自身を含む): 2645472000

約数和(自身を除く): 490410889

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 330683, 2314781, 6282977, 16203467, 43980839, 113424269, 307865873, 2155061111]

約数ペア:

[(1, 2155061111), (7, 307865873), (19, 113424269), (49, 43980839), (133, 16203467), (343, 6282977), (931, 2314781), (6517, 330683)]