204375

素因数分解:

$3^1\times 5^4\times {\mathrm{109}}^1$

素因数の和:132

約数の個数: 20

約数和(自身を含む): 343640

約数和(自身を除く): 139265

約数列:

[1, 3, 5, 15, 25, 75, 109, 125, 327, 375, 545, 625, 1635, 1875, 2725, 8175, 13625, 40875, 68125, 204375]

約数ペア:

[(1, 204375), (3, 68125), (5, 40875), (15, 13625), (25, 8175), (75, 2725), (109, 1875), (125, 1635), (327, 625), (375, 545)]