55878417

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:867

約数の個数: 40

約数和(自身を含む): 96219200

約数和(自身を除く): 40340783

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 417, 567, 709, 973, 1251, 2127, 2919, 3753, 4963, 6381, 8757, 11259, 14889, 19143, 26271, 44667, 57429, 78813, 98551, 134001, 295653, 402003, 689857, 886959, 2069571, 2660877, 6208713, 7982631, 18626139, 55878417]

約数ペア:

[(1, 55878417), (3, 18626139), (7, 7982631), (9, 6208713), (21, 2660877), (27, 2069571), (63, 886959), (81, 689857), (139, 402003), (189, 295653), (417, 134001), (567, 98551), (709, 78813), (973, 57429), (1251, 44667), (2127, 26271), (2919, 19143), (3753, 14889), (4963, 11259), (6381, 8757)]