51212403

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 88303488

約数和(自身を除く): 37091085

約数列:

[1, 3, 9, 11, 31, 33, 37, 41, 93, 99, 111, 121, 123, 279, 333, 341, 363, 369, 407, 451, 1023, 1089, 1147, 1221, 1271, 1353, 1517, 3069, 3441, 3663, 3751, 3813, 4059, 4477, 4551, 4961, 10323, 11253, 11439, 12617, 13431, 13653, 13981, 14883, 16687, 33759, 37851, 40293, 41943, 44649, 47027, 50061, 113553, 125829, 138787, 141081, 150183, 153791, 183557, 416361, 423243, 461373, 517297, 550671, 1249083, 1384119, 1551891, 1652013, 4655673, 5690267, 17070801, 51212403]

約数ペア:

[(1, 51212403), (3, 17070801), (9, 5690267), (11, 4655673), (31, 1652013), (33, 1551891), (37, 1384119), (41, 1249083), (93, 550671), (99, 517297), (111, 461373), (121, 423243), (123, 416361), (279, 183557), (333, 153791), (341, 150183), (363, 141081), (369, 138787), (407, 125829), (451, 113553), (1023, 50061), (1089, 47027), (1147, 44649), (1221, 41943), (1271, 40293), (1353, 37851), (1517, 33759), (3069, 16687), (3441, 14883), (3663, 13981), (3751, 13653), (3813, 13431), (4059, 12617), (4477, 11439), (4551, 11253), (4961, 10323)]