2157519

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1129}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 3606960

約数和(自身を除く): 1449441

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1129, 1911, 3387, 7903, 14677, 23709, 44031, 55321, 102739, 165963, 308217, 719173, 2157519]

約数ペア:

[(1, 2157519), (3, 719173), (7, 308217), (13, 165963), (21, 102739), (39, 55321), (49, 44031), (91, 23709), (147, 14677), (273, 7903), (637, 3387), (1129, 1911)]