27801475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 37466352

約数和(自身を除く): 9664877

約数列:

[1, 5, 13, 25, 65, 131, 325, 653, 655, 1703, 3265, 3275, 8489, 8515, 16325, 42445, 42575, 85543, 212225, 427715, 1112059, 2138575, 5560295, 27801475]

約数ペア:

[(1, 27801475), (5, 5560295), (13, 2138575), (25, 1112059), (65, 427715), (131, 212225), (325, 85543), (653, 42575), (655, 42445), (1703, 16325), (3265, 8515), (3275, 8489)]