988651875

素因数分解:

$3^1\times 5^4\times {\mathrm{527281}}^1$

素因数の和:527304

約数の個数: 20

約数和(自身を含む): 1647228968

約数和(自身を除く): 658577093

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 527281, 1581843, 2636405, 7909215, 13182025, 39546075, 65910125, 197730375, 329550625, 988651875]

約数ペア:

[(1, 988651875), (3, 329550625), (5, 197730375), (15, 65910125), (25, 39546075), (75, 13182025), (125, 7909215), (375, 2636405), (625, 1581843), (1875, 527281)]