1728255

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 2884752

約数和(自身を除く): 1156497

約数列:

[1, 3, 5, 15, 29, 87, 137, 145, 411, 435, 685, 841, 2055, 2523, 3973, 4205, 11919, 12615, 19865, 59595, 115217, 345651, 576085, 1728255]

約数ペア:

[(1, 1728255), (3, 576085), (5, 345651), (15, 115217), (29, 59595), (87, 19865), (137, 12615), (145, 11919), (411, 4205), (435, 3973), (685, 2523), (841, 2055)]