16878171

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 23050368

約数和(自身を除く): 6172197

約数列:

[1, 3, 67, 131, 201, 393, 641, 1923, 8777, 26331, 42947, 83971, 128841, 251913, 5626057, 16878171]

約数ペア:

[(1, 16878171), (3, 5626057), (67, 251913), (131, 128841), (201, 83971), (393, 42947), (641, 26331), (1923, 8777)]