27854589

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{9973}}^1$

素因数の和:10009

約数の個数: 24

約数和(自身を含む): 45481440

約数和(自身を除く): 17626851

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 9973, 29919, 69811, 189487, 209433, 488677, 568461, 1326409, 1466031, 3979227, 9284863, 27854589]

約数ペア:

[(1, 27854589), (3, 9284863), (7, 3979227), (19, 1466031), (21, 1326409), (49, 568461), (57, 488677), (133, 209433), (147, 189487), (399, 69811), (931, 29919), (2793, 9973)]