289654827

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 492655104

約数和(自身を除く): 203000277

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 271, 539, 661, 813, 1617, 1897, 1983, 2981, 4627, 5691, 7271, 8943, 13279, 13881, 20867, 21813, 32389, 39837, 50897, 62601, 97167, 146069, 152691, 179131, 356279, 438207, 537393, 1068837, 1253917, 1970441, 3761751, 5911323, 8777419, 13793087, 26332257, 41379261, 96551609, 289654827]

約数ペア:

[(1, 289654827), (3, 96551609), (7, 41379261), (11, 26332257), (21, 13793087), (33, 8777419), (49, 5911323), (77, 3761751), (147, 1970441), (231, 1253917), (271, 1068837), (539, 537393), (661, 438207), (813, 356279), (1617, 179131), (1897, 152691), (1983, 146069), (2981, 97167), (4627, 62601), (5691, 50897), (7271, 39837), (8943, 32389), (13279, 21813), (13881, 20867)]