80840991

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 143585280

約数和(自身を除く): 62744289

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 113, 133, 163, 209, 231, 339, 399, 489, 627, 791, 1141, 1243, 1463, 1793, 2147, 2373, 3097, 3423, 3729, 4389, 5379, 6441, 8701, 9291, 12551, 15029, 18419, 21679, 23617, 26103, 34067, 37653, 45087, 55257, 65037, 70851, 102201, 128933, 165319, 202609, 238469, 349961, 386799, 495957, 607827, 715407, 1049883, 1418263, 2449727, 3849571, 4254789, 7349181, 11548713, 26946997, 80840991]

約数ペア:

[(1, 80840991), (3, 26946997), (7, 11548713), (11, 7349181), (19, 4254789), (21, 3849571), (33, 2449727), (57, 1418263), (77, 1049883), (113, 715407), (133, 607827), (163, 495957), (209, 386799), (231, 349961), (339, 238469), (399, 202609), (489, 165319), (627, 128933), (791, 102201), (1141, 70851), (1243, 65037), (1463, 55257), (1793, 45087), (2147, 37653), (2373, 34067), (3097, 26103), (3423, 23617), (3729, 21679), (4389, 18419), (5379, 15029), (6441, 12551), (8701, 9291)]