161745171

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1307}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 253145088

約数和(自身を除く): 91399917

約数列:

[1, 3, 7, 21, 71, 83, 213, 249, 497, 581, 1307, 1491, 1743, 3921, 5893, 9149, 17679, 27447, 41251, 92797, 108481, 123753, 278391, 325443, 649579, 759367, 1948737, 2278101, 7702151, 23106453, 53915057, 161745171]

約数ペア:

[(1, 161745171), (3, 53915057), (7, 23106453), (21, 7702151), (71, 2278101), (83, 1948737), (213, 759367), (249, 649579), (497, 325443), (581, 278391), (1307, 123753), (1491, 108481), (1743, 92797), (3921, 41251), (5893, 27447), (9149, 17679)]