49781319

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1627}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 80019456

約数和(自身を除く): 30238137

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 987, 1457, 1627, 4371, 4881, 10199, 11389, 30597, 34167, 50437, 76469, 151311, 229407, 353059, 535283, 1059177, 1605849, 2370539, 7111617, 16593773, 49781319]

約数ペア:

[(1, 49781319), (3, 16593773), (7, 7111617), (21, 2370539), (31, 1605849), (47, 1059177), (93, 535283), (141, 353059), (217, 229407), (329, 151311), (651, 76469), (987, 50437), (1457, 34167), (1627, 30597), (4371, 11389), (4881, 10199)]