128570421

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 202549248

約数和(自身を除く): 73978827

約数列:

[1, 3, 7, 21, 53, 71, 159, 213, 371, 497, 1113, 1491, 1627, 3763, 4881, 11289, 11389, 26341, 34167, 79023, 86231, 115517, 258693, 346551, 603617, 808619, 1810851, 2425857, 6122401, 18367203, 42856807, 128570421]

約数ペア:

[(1, 128570421), (3, 42856807), (7, 18367203), (21, 6122401), (53, 2425857), (71, 1810851), (159, 808619), (213, 603617), (371, 346551), (497, 258693), (1113, 115517), (1491, 86231), (1627, 79023), (3763, 34167), (4881, 26341), (11289, 11389)]