257721167151

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{133831}}^1$

素因数の和:134313

約数の個数: 64

約数和(自身を含む): 456356413440

約数和(自身を除く): 198635246289

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 443, 483, 621, 1329, 1449, 3101, 3987, 4347, 9303, 10189, 11961, 27909, 30567, 71323, 83727, 91701, 133831, 213969, 275103, 401493, 641907, 936817, 1204479, 1925721, 2810451, 3078113, 3613437, 8431353, 9234339, 21546791, 25294059, 27703017, 59287133, 64640373, 83109051, 177861399, 193921119, 415009931, 533584197, 581763357, 1245029793, 1363604059, 1600752591, 3735089379, 4090812177, 9545228413, 11205268137, 12272436531, 28635685239, 36817309593, 85907055717, 257721167151]

約数ペア:

[(1, 257721167151), (3, 85907055717), (7, 36817309593), (9, 28635685239), (21, 12272436531), (23, 11205268137), (27, 9545228413), (63, 4090812177), (69, 3735089379), (161, 1600752591), (189, 1363604059), (207, 1245029793), (443, 581763357), (483, 533584197), (621, 415009931), (1329, 193921119), (1449, 177861399), (3101, 83109051), (3987, 64640373), (4347, 59287133), (9303, 27703017), (10189, 25294059), (11961, 21546791), (27909, 9234339), (30567, 8431353), (71323, 3613437), (83727, 3078113), (91701, 2810451), (133831, 1925721), (213969, 1204479), (275103, 936817), (401493, 641907)]