18565547517

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{132157}}^1$

素因数の和:132231

約数の個数: 48

約数和(自身を含む): 30935544640

約数和(自身を除く): 12369997123

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 121, 129, 297, 363, 387, 473, 1089, 1161, 1419, 3267, 4257, 5203, 12771, 15609, 46827, 132157, 140481, 396471, 1189413, 1453727, 3568239, 4361181, 5682751, 13083543, 15990997, 17048253, 39250629, 47972991, 51144759, 62510261, 143918973, 153434277, 187530783, 431756919, 562592349, 687612871, 1687777047, 2062838613, 6188515839, 18565547517]

約数ペア:

[(1, 18565547517), (3, 6188515839), (9, 2062838613), (11, 1687777047), (27, 687612871), (33, 562592349), (43, 431756919), (99, 187530783), (121, 153434277), (129, 143918973), (297, 62510261), (363, 51144759), (387, 47972991), (473, 39250629), (1089, 17048253), (1161, 15990997), (1419, 13083543), (3267, 5682751), (4257, 4361181), (5203, 3568239), (12771, 1453727), (15609, 1189413), (46827, 396471), (132157, 140481)]