2782227

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{367}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 4486656

約数和(自身を除く): 1704429

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 367, 399, 1083, 1101, 2527, 2569, 6973, 7581, 7707, 20919, 48811, 132487, 146433, 397461, 927409, 2782227]

約数ペア:

[(1, 2782227), (3, 927409), (7, 397461), (19, 146433), (21, 132487), (57, 48811), (133, 20919), (361, 7707), (367, 7581), (399, 6973), (1083, 2569), (1101, 2527)]