27980625

素因数分解:

$3^1\times 5^4\times {\mathrm{14923}}^1$

素因数の和:14946

約数の個数: 20

約数和(自身を含む): 46622576

約数和(自身を除く): 18641951

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 14923, 44769, 74615, 223845, 373075, 1119225, 1865375, 5596125, 9326875, 27980625]

約数ペア:

[(1, 27980625), (3, 9326875), (5, 5596125), (15, 1865375), (25, 1119225), (75, 373075), (125, 223845), (375, 74615), (625, 44769), (1875, 14923)]