201420825

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{19603}}^1$

素因数の和:19753

約数の個数: 24

約数和(自身を含む): 335463648

約数和(自身を除く): 134042823

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2055, 3425, 10275, 19603, 58809, 98015, 294045, 490075, 1470225, 2685611, 8056833, 13428055, 40284165, 67140275, 201420825]

約数ペア:

[(1, 201420825), (3, 67140275), (5, 40284165), (15, 13428055), (25, 8056833), (75, 2685611), (137, 1470225), (411, 490075), (685, 294045), (2055, 98015), (3425, 58809), (10275, 19603)]