28956501

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 51163200

約数和(自身を除く): 22206699

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 509, 903, 1161, 1323, 1527, 2107, 2709, 3563, 4581, 6321, 8127, 10689, 13743, 18963, 21887, 24941, 32067, 56889, 65661, 74823, 96201, 153209, 196983, 224469, 459627, 590949, 673407, 1072463, 1378881, 3217389, 4136643, 9652167, 28956501]

約数ペア:

[(1, 28956501), (3, 9652167), (7, 4136643), (9, 3217389), (21, 1378881), (27, 1072463), (43, 673407), (49, 590949), (63, 459627), (129, 224469), (147, 196983), (189, 153209), (301, 96201), (387, 74823), (441, 65661), (509, 56889), (903, 32067), (1161, 24941), (1323, 21887), (1527, 18963), (2107, 13743), (2709, 10689), (3563, 8127), (4581, 6321)]