27721809

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 41319720

約数和(自身を除く): 13597911

約数列:

[1, 3, 9, 53, 89, 159, 267, 477, 653, 801, 1959, 4717, 5877, 14151, 34609, 42453, 58117, 103827, 174351, 311481, 523053, 3080201, 9240603, 27721809]

約数ペア:

[(1, 27721809), (3, 9240603), (9, 3080201), (53, 523053), (89, 311481), (159, 174351), (267, 103827), (477, 58117), (653, 42453), (801, 34609), (1959, 14151), (4717, 5877)]