129431071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{2543}}^1$

素因数の和:3222

約数の個数: 16

約数和(自身を含む): 161676288

約数和(自身を除く): 32245217

約数列:

[1, 7, 11, 77, 661, 2543, 4627, 7271, 17801, 27973, 50897, 195811, 1680923, 11766461, 18490153, 129431071]

約数ペア:

[(1, 129431071), (7, 18490153), (11, 11766461), (77, 1680923), (661, 195811), (2543, 50897), (4627, 27973), (7271, 17801)]