20161731

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6217}}^1$

素因数の和:6290

約数の個数: 16

約数和(自身を含む): 28652544

約数和(自身を除く): 8490813

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6217, 18651, 142991, 292199, 428973, 876597, 6720577, 20161731]

約数ペア:

[(1, 20161731), (3, 6720577), (23, 876597), (47, 428973), (69, 292199), (141, 142991), (1081, 18651), (3243, 6217)]