128944221

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4831}}^1$

素因数の和:4913

約数の個数: 32

約数和(自身を含む): 207814656

約数和(自身を除く): 78870435

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 651, 861, 1271, 3813, 4831, 8897, 14493, 26691, 33817, 101451, 149761, 198071, 449283, 594213, 1048327, 1386497, 3144981, 4159491, 6140201, 18420603, 42981407, 128944221]

約数ペア:

[(1, 128944221), (3, 42981407), (7, 18420603), (21, 6140201), (31, 4159491), (41, 3144981), (93, 1386497), (123, 1048327), (217, 594213), (287, 449283), (651, 198071), (861, 149761), (1271, 101451), (3813, 33817), (4831, 26691), (8897, 14493)]