51791481

素因数分解:

$3^4\times 7^2\times {\mathrm{13049}}^1$

素因数の和:13075

約数の個数: 30

約数和(自身を含む): 90005850

約数和(自身を除く): 38214369

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 13049, 39147, 91343, 117441, 274029, 352323, 639401, 822087, 1056969, 1918203, 2466261, 5754609, 7398783, 17263827, 51791481]

約数ペア:

[(1, 51791481), (3, 17263827), (7, 7398783), (9, 5754609), (21, 2466261), (27, 1918203), (49, 1056969), (63, 822087), (81, 639401), (147, 352323), (189, 274029), (441, 117441), (567, 91343), (1323, 39147), (3969, 13049)]