71072289

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 108051840

約数和(自身を除く): 36979551

約数列:

[1, 3, 9, 27, 73, 107, 219, 321, 337, 657, 963, 1011, 1971, 2889, 3033, 7811, 9099, 23433, 24601, 36059, 70299, 73803, 108177, 210897, 221409, 324531, 664227, 973593, 2632307, 7896921, 23690763, 71072289]

約数ペア:

[(1, 71072289), (3, 23690763), (9, 7896921), (27, 2632307), (73, 973593), (107, 664227), (219, 324531), (321, 221409), (337, 210897), (657, 108177), (963, 73803), (1011, 70299), (1971, 36059), (2889, 24601), (3033, 23433), (7811, 9099)]