1248939

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:936

約数の個数: 20

約数和(自身を含む): 1977624

約数和(自身を除く): 728685

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 907, 1377, 2721, 8163, 15419, 24489, 46257, 73467, 138771, 416313, 1248939]

約数ペア:

[(1, 1248939), (3, 416313), (9, 138771), (17, 73467), (27, 46257), (51, 24489), (81, 15419), (153, 8163), (459, 2721), (907, 1377)]