18525087

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 33134400

約数和(自身を除く): 14609313

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 343, 353, 357, 441, 833, 1029, 1059, 1071, 2471, 2499, 3087, 3177, 5831, 6001, 7413, 7497, 17297, 17493, 18003, 22239, 42007, 51891, 52479, 54009, 121079, 126021, 155673, 294049, 363237, 378063, 882147, 1089711, 2058343, 2646441, 6175029, 18525087]

約数ペア:

[(1, 18525087), (3, 6175029), (7, 2646441), (9, 2058343), (17, 1089711), (21, 882147), (49, 378063), (51, 363237), (63, 294049), (119, 155673), (147, 126021), (153, 121079), (343, 54009), (353, 52479), (357, 51891), (441, 42007), (833, 22239), (1029, 18003), (1059, 17493), (1071, 17297), (2471, 7497), (2499, 7413), (3087, 6001), (3177, 5831)]