215334927

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{1291}}^1$

素因数の和:1771

約数の個数: 24

約数和(自身を含む): 319258368

約数和(自身を除く): 103923441

約数列:

[1, 3, 9, 43, 129, 387, 431, 1291, 1293, 3873, 3879, 11619, 18533, 55513, 55599, 166539, 166797, 499617, 556421, 1669263, 5007789, 23926103, 71778309, 215334927]

約数ペア:

[(1, 215334927), (3, 71778309), (9, 23926103), (43, 5007789), (129, 1669263), (387, 556421), (431, 499617), (1291, 166797), (1293, 166539), (3873, 55599), (3879, 55513), (11619, 18533)]