28261629

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 47087040

約数和(自身を除く): 18825411

約数列:

[1, 3, 9, 11, 27, 33, 81, 97, 99, 109, 243, 291, 297, 327, 873, 891, 981, 1067, 1199, 2619, 2673, 2943, 3201, 3597, 7857, 8829, 9603, 10573, 10791, 23571, 26487, 28809, 31719, 32373, 86427, 95157, 97119, 116303, 259281, 285471, 291357, 348909, 856413, 1046727, 2569239, 3140181, 9420543, 28261629]

約数ペア:

[(1, 28261629), (3, 9420543), (9, 3140181), (11, 2569239), (27, 1046727), (33, 856413), (81, 348909), (97, 291357), (99, 285471), (109, 259281), (243, 116303), (291, 97119), (297, 95157), (327, 86427), (873, 32373), (891, 31719), (981, 28809), (1067, 26487), (1199, 23571), (2619, 10791), (2673, 10573), (2943, 9603), (3201, 8829), (3597, 7857)]