51669171

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 82589760

約数和(自身を除く): 30920589

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 157, 239, 459, 471, 717, 1377, 1413, 2151, 2669, 4063, 4239, 6453, 8007, 12189, 12717, 19359, 24021, 36567, 37523, 72063, 109701, 112569, 216189, 329103, 337707, 637891, 1013121, 1913673, 3039363, 5741019, 17223057, 51669171]

約数ペア:

[(1, 51669171), (3, 17223057), (9, 5741019), (17, 3039363), (27, 1913673), (51, 1013121), (81, 637891), (153, 337707), (157, 329103), (239, 216189), (459, 112569), (471, 109701), (717, 72063), (1377, 37523), (1413, 36567), (2151, 24021), (2669, 19359), (4063, 12717), (4239, 12189), (6453, 8007)]