51045309

素因数分解:

$3^6\times 7^2\times {\mathrm{1429}}^1$

素因数の和:1461

約数の個数: 42

約数和(自身を含む): 89090430

約数和(自身を除く): 38045121

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1429, 1701, 3969, 4287, 5103, 10003, 11907, 12861, 30009, 35721, 38583, 70021, 90027, 115749, 210063, 270081, 347247, 630189, 810243, 1041741, 1890567, 2430729, 5671701, 7292187, 17015103, 51045309]

約数ペア:

[(1, 51045309), (3, 17015103), (7, 7292187), (9, 5671701), (21, 2430729), (27, 1890567), (49, 1041741), (63, 810243), (81, 630189), (147, 347247), (189, 270081), (243, 210063), (441, 115749), (567, 90027), (729, 70021), (1323, 38583), (1429, 35721), (1701, 30009), (3969, 12861), (4287, 11907), (5103, 10003)]