278314119

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{13999}}^1$

素因数の和:14099

約数の個数: 18

約数和(自身を含む): 410774000

約数和(自身を除く): 132459881

約数列:

[1, 3, 9, 47, 141, 423, 2209, 6627, 13999, 19881, 41997, 125991, 657953, 1973859, 5921577, 30923791, 92771373, 278314119]

約数ペア:

[(1, 278314119), (3, 92771373), (9, 30923791), (47, 5921577), (141, 1973859), (423, 657953), (2209, 125991), (6627, 41997), (13999, 19881)]