520222743

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{136649}}^1$

素因数の和:136708

約数の個数: 20

約数和(自身を含む): 793663200

約数和(自身を除く): 273440457

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 136649, 409947, 1229841, 3689523, 6422503, 11068569, 19267509, 57802527, 173407581, 520222743]

約数ペア:

[(1, 520222743), (3, 173407581), (9, 57802527), (27, 19267509), (47, 11068569), (81, 6422503), (141, 3689523), (423, 1229841), (1269, 409947), (3807, 136649)]