81307629

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1583}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 126846720

約数和(自身を除く): 45539091

約数列:

[1, 3, 9, 13, 39, 117, 439, 1317, 1583, 3951, 4749, 5707, 14247, 17121, 20579, 51363, 61737, 185211, 694937, 2084811, 6254433, 9034181, 27102543, 81307629]

約数ペア:

[(1, 81307629), (3, 27102543), (9, 9034181), (13, 6254433), (39, 2084811), (117, 694937), (439, 185211), (1317, 61737), (1583, 51363), (3951, 20579), (4749, 17121), (5707, 14247)]