205627425

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{20929}}^1$

素因数の和:21073

約数の個数: 24

約数和(自身を含む): 342582240

約数和(自身を除く): 136954815

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3275, 9825, 20929, 62787, 104645, 313935, 523225, 1569675, 2741699, 8225097, 13708495, 41125485, 68542475, 205627425]

約数ペア:

[(1, 205627425), (3, 68542475), (5, 41125485), (15, 13708495), (25, 8225097), (75, 2741699), (131, 1569675), (393, 523225), (655, 313935), (1965, 104645), (3275, 62787), (9825, 20929)]