247927293

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{22091}}^1$

素因数の和:22169

約数の個数: 24

約数和(自身を含む): 379098720

約数和(自身を除く): 131171427

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 3741, 11223, 22091, 66273, 198819, 640639, 949913, 1921917, 2849739, 5765751, 8549217, 27547477, 82642431, 247927293]

約数ペア:

[(1, 247927293), (3, 82642431), (9, 27547477), (29, 8549217), (43, 5765751), (87, 2849739), (129, 1921917), (261, 949913), (387, 640639), (1247, 198819), (3741, 66273), (11223, 22091)]