785625

素因数分解:

$3^1\times 5^4\times {\mathrm{419}}^1$

素因数の和:442

約数の個数: 20

約数和(自身を含む): 1312080

約数和(自身を除く): 526455

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 419, 625, 1257, 1875, 2095, 6285, 10475, 31425, 52375, 157125, 261875, 785625]

約数ペア:

[(1, 785625), (3, 261875), (5, 157125), (15, 52375), (25, 31425), (75, 10475), (125, 6285), (375, 2095), (419, 1875), (625, 1257)]