155439891

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 247769280

約数和(自身を除く): 92329389

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 157, 459, 471, 719, 1377, 1413, 2157, 2669, 4239, 6471, 8007, 12223, 12717, 19413, 24021, 36669, 58239, 72063, 110007, 112883, 216189, 330021, 338649, 990063, 1015947, 1919011, 3047841, 5757033, 9143523, 17271099, 51813297, 155439891]

約数ペア:

[(1, 155439891), (3, 51813297), (9, 17271099), (17, 9143523), (27, 5757033), (51, 3047841), (81, 1919011), (153, 1015947), (157, 990063), (459, 338649), (471, 330021), (719, 216189), (1377, 112883), (1413, 110007), (2157, 72063), (2669, 58239), (4239, 36669), (6471, 24021), (8007, 19413), (12223, 12717)]