56491509

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1\times {\mathrm{769}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 77172480

約数和(自身を除く): 20680971

約数列:

[1, 3, 47, 141, 521, 769, 1563, 2307, 24487, 36143, 73461, 108429, 400649, 1201947, 18830503, 56491509]

約数ペア:

[(1, 56491509), (3, 18830503), (47, 1201947), (141, 400649), (521, 108429), (769, 73461), (1563, 36143), (2307, 24487)]