1945701

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 28

約数和(自身を含む): 3108492

約数和(自身を除く): 1162791

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 157, 243, 459, 471, 729, 1377, 1413, 2669, 4131, 4239, 8007, 12393, 12717, 24021, 38151, 72063, 114453, 216189, 648567, 1945701]

約数ペア:

[(1, 1945701), (3, 648567), (9, 216189), (17, 114453), (27, 72063), (51, 38151), (81, 24021), (153, 12717), (157, 12393), (243, 8007), (459, 4239), (471, 4131), (729, 2669), (1377, 1413)]