823125

素因数分解:

$3^1\times 5^4\times {\mathrm{439}}^1$

素因数の和:462

約数の個数: 20

約数和(自身を含む): 1374560

約数和(自身を除く): 551435

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 439, 625, 1317, 1875, 2195, 6585, 10975, 32925, 54875, 164625, 274375, 823125]

約数ペア:

[(1, 823125), (3, 274375), (5, 164625), (15, 54875), (25, 32925), (75, 10975), (125, 6585), (375, 2195), (439, 1875), (625, 1317)]