28726125

素因数分解:

$3^1\times 5^3\times {\mathrm{76603}}^1$

素因数の和:76621

約数の個数: 16

約数和(自身を含む): 47800896

約数和(自身を除く): 19074771

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 76603, 229809, 383015, 1149045, 1915075, 5745225, 9575375, 28726125]

約数ペア:

[(1, 28726125), (3, 9575375), (5, 5745225), (15, 1915075), (25, 1149045), (75, 383015), (125, 229809), (375, 76603)]