28651125

素因数分解:

$3^1\times 5^3\times {\mathrm{76403}}^1$

素因数の和:76421

約数の個数: 16

約数和(自身を含む): 47676096

約数和(自身を除く): 19024971

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 76403, 229209, 382015, 1146045, 1910075, 5730225, 9550375, 28651125]

約数ペア:

[(1, 28651125), (3, 9550375), (5, 5730225), (15, 1910075), (25, 1146045), (75, 382015), (125, 229209), (375, 76403)]