81911553

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 115831296

約数和(自身を除く): 33919743

約数列:

[1, 3, 47, 53, 97, 113, 141, 159, 291, 339, 2491, 4559, 5141, 5311, 5989, 7473, 10961, 13677, 15423, 15933, 17967, 32883, 241627, 281483, 515167, 580933, 724881, 844449, 1545501, 1742799, 27303851, 81911553]

約数ペア:

[(1, 81911553), (3, 27303851), (47, 1742799), (53, 1545501), (97, 844449), (113, 724881), (141, 580933), (159, 515167), (291, 281483), (339, 241627), (2491, 32883), (4559, 17967), (5141, 15933), (5311, 15423), (5989, 13677), (7473, 10961)]