28561875

素因数分解:

$3^1\times 5^4\times {\mathrm{15233}}^1$

素因数の和:15256

約数の個数: 20

約数和(自身を含む): 47591016

約数和(自身を除く): 19029141

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 15233, 45699, 76165, 228495, 380825, 1142475, 1904125, 5712375, 9520625, 28561875]

約数ペア:

[(1, 28561875), (3, 9520625), (5, 5712375), (15, 1904125), (25, 1142475), (75, 380825), (125, 228495), (375, 76165), (625, 45699), (1875, 15233)]