81071675

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1669}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 105610800

約数和(自身を除く): 24539125

約数列:

[1, 5, 25, 29, 67, 145, 335, 725, 1669, 1675, 1943, 8345, 9715, 41725, 48401, 48575, 111823, 242005, 559115, 1210025, 2795575, 3242867, 16214335, 81071675]

約数ペア:

[(1, 81071675), (5, 16214335), (25, 3242867), (29, 2795575), (67, 1210025), (145, 559115), (335, 242005), (725, 111823), (1669, 48575), (1675, 48401), (1943, 41725), (8345, 9715)]