5281857

素因数分解:

$3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 9360000

約数和(自身を除く): 4078143

約数列:

[1, 3, 7, 9, 21, 29, 49, 59, 63, 87, 147, 177, 203, 261, 343, 413, 441, 531, 609, 1029, 1239, 1421, 1711, 1827, 2891, 3087, 3717, 4263, 5133, 8673, 9947, 11977, 12789, 15399, 20237, 26019, 29841, 35931, 60711, 83839, 89523, 107793, 182133, 251517, 586873, 754551, 1760619, 5281857]

約数ペア:

[(1, 5281857), (3, 1760619), (7, 754551), (9, 586873), (21, 251517), (29, 182133), (49, 107793), (59, 89523), (63, 83839), (87, 60711), (147, 35931), (177, 29841), (203, 26019), (261, 20237), (343, 15399), (413, 12789), (441, 11977), (531, 9947), (609, 8673), (1029, 5133), (1239, 4263), (1421, 3717), (1711, 3087), (1827, 2891)]