891261

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 36

約数和(自身を含む): 1564992

約数和(自身を除く): 673731

約数列:

[1, 3, 7, 9, 21, 43, 47, 49, 63, 129, 141, 147, 301, 329, 387, 423, 441, 903, 987, 2021, 2107, 2303, 2709, 2961, 6063, 6321, 6909, 14147, 18189, 18963, 20727, 42441, 99029, 127323, 297087, 891261]

約数ペア:

[(1, 891261), (3, 297087), (7, 127323), (9, 99029), (21, 42441), (43, 20727), (47, 18963), (49, 18189), (63, 14147), (129, 6909), (141, 6321), (147, 6063), (301, 2961), (329, 2709), (387, 2303), (423, 2107), (441, 2021), (903, 987)]