278315991

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{300233}}^1$

素因数の和:300342

約数の個数: 12

約数和(自身を含む): 405916368

約数和(自身を除く): 127600377

約数列:

[1, 3, 9, 103, 309, 927, 300233, 900699, 2702097, 30923999, 92771997, 278315991]

約数ペア:

[(1, 278315991), (3, 92771997), (9, 30923999), (103, 2702097), (309, 900699), (927, 300233)]