81427047

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{773}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 121883328

約数和(自身を除く): 40456281

約数列:

[1, 3, 13, 37, 39, 73, 111, 219, 481, 773, 949, 1443, 2319, 2701, 2847, 8103, 10049, 28601, 30147, 35113, 56429, 85803, 105339, 169287, 371813, 733577, 1115439, 2087873, 2200731, 6263619, 27142349, 81427047]

約数ペア:

[(1, 81427047), (3, 27142349), (13, 6263619), (37, 2200731), (39, 2087873), (73, 1115439), (111, 733577), (219, 371813), (481, 169287), (773, 105339), (949, 85803), (1443, 56429), (2319, 35113), (2701, 30147), (2847, 28601), (8103, 10049)]