215616961

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{3221}}^1$

素因数の和:3432

約数の個数: 16

約数和(自身を含む): 251779968

約数和(自身を除く): 36163007

約数列:

[1, 7, 73, 131, 511, 917, 3221, 9563, 22547, 66941, 235133, 421951, 1645931, 2953657, 30802423, 215616961]

約数ペア:

[(1, 215616961), (7, 30802423), (73, 2953657), (131, 1645931), (511, 421951), (917, 235133), (3221, 66941), (9563, 22547)]