51311367

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 80870400

約数和(自身を除く): 29559033

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 477, 621, 1219, 1431, 1559, 3657, 4677, 10971, 14031, 32913, 35857, 42093, 82627, 107571, 247881, 322713, 743643, 968139, 1900421, 2230929, 5701263, 17103789, 51311367]

約数ペア:

[(1, 51311367), (3, 17103789), (9, 5701263), (23, 2230929), (27, 1900421), (53, 968139), (69, 743643), (159, 322713), (207, 247881), (477, 107571), (621, 82627), (1219, 42093), (1431, 35857), (1559, 32913), (3657, 14031), (4677, 10971)]