278103699

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{26209}}^1$

素因数の和:26352

約数の個数: 20

約数和(自身を含む): 418626120

約数和(自身を除く): 140522421

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 26209, 78627, 235881, 707643, 2122929, 3433379, 10300137, 30900411, 92701233, 278103699]

約数ペア:

[(1, 278103699), (3, 92701233), (9, 30900411), (27, 10300137), (81, 3433379), (131, 2122929), (393, 707643), (1179, 235881), (3537, 78627), (10611, 26209)]