177750003

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 255467520

約数和(自身を除く): 77717517

約数列:

[1, 3, 23, 43, 69, 129, 139, 417, 431, 989, 1293, 2967, 3197, 5977, 9591, 9913, 17931, 18533, 29739, 55599, 59909, 137471, 179727, 412413, 426259, 1278777, 1377907, 2576087, 4133721, 7728261, 59250001, 177750003]

約数ペア:

[(1, 177750003), (3, 59250001), (23, 7728261), (43, 4133721), (69, 2576087), (129, 1377907), (139, 1278777), (417, 426259), (431, 412413), (989, 179727), (1293, 137471), (2967, 59909), (3197, 55599), (5977, 29739), (9591, 18533), (9913, 17931)]