628077321

素因数分解:

$3^4\times {\mathrm{359}}^1\times {\mathrm{21599}}^1$

素因数の和:21970

約数の個数: 20

約数和(自身を含む): 940896000

約数和(自身を除く): 312818679

約数列:

[1, 3, 9, 27, 81, 359, 1077, 3231, 9693, 21599, 29079, 64797, 194391, 583173, 1749519, 7754041, 23262123, 69786369, 209359107, 628077321]

約数ペア:

[(1, 628077321), (3, 209359107), (9, 69786369), (27, 23262123), (81, 7754041), (359, 1749519), (1077, 583173), (3231, 194391), (9693, 64797), (21599, 29079)]