51478209

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{577}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 77905152

約数和(自身を除く): 26426943

約数列:

[1, 3, 9, 23, 69, 207, 431, 577, 1293, 1731, 3879, 5193, 9913, 13271, 29739, 39813, 89217, 119439, 248687, 746061, 2238183, 5719801, 17159403, 51478209]

約数ペア:

[(1, 51478209), (3, 17159403), (9, 5719801), (23, 2238183), (69, 746061), (207, 248687), (431, 119439), (577, 89217), (1293, 39813), (1731, 29739), (3879, 13271), (5193, 9913)]