71640177

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{673}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 113102592

約数和(自身を除く): 41462415

約数列:

[1, 3, 7, 21, 37, 111, 137, 259, 411, 673, 777, 959, 2019, 2877, 4711, 5069, 14133, 15207, 24901, 35483, 74703, 92201, 106449, 174307, 276603, 522921, 645407, 1936221, 3411437, 10234311, 23880059, 71640177]

約数ペア:

[(1, 71640177), (3, 23880059), (7, 10234311), (21, 3411437), (37, 1936221), (111, 645407), (137, 522921), (259, 276603), (411, 174307), (673, 106449), (777, 92201), (959, 74703), (2019, 35483), (2877, 24901), (4711, 15207), (5069, 14133)]