87979989

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1\times {\mathrm{991}}^1$

素因数の和:1388

約数の個数: 16

約数和(自身を含む): 118992384

約数和(自身を除く): 31012395

約数列:

[1, 3, 101, 293, 303, 879, 991, 2973, 29593, 88779, 100091, 290363, 300273, 871089, 29326663, 87979989]

約数ペア:

[(1, 87979989), (3, 29326663), (101, 871089), (293, 300273), (303, 290363), (879, 100091), (991, 88779), (2973, 29593)]