71205981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1549}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 119040000

約数和(自身を除く): 47834019

約数列:

[1, 3, 7, 11, 21, 33, 77, 199, 231, 597, 1393, 1549, 2189, 4179, 4647, 6567, 10843, 15323, 17039, 32529, 45969, 51117, 119273, 308251, 357819, 924753, 2157757, 3390761, 6473271, 10172283, 23735327, 71205981]

約数ペア:

[(1, 71205981), (3, 23735327), (7, 10172283), (11, 6473271), (21, 3390761), (33, 2157757), (77, 924753), (199, 357819), (231, 308251), (597, 119273), (1393, 51117), (1549, 45969), (2189, 32529), (4179, 17039), (4647, 15323), (6567, 10843)]