253125

素因数分解:

$3^4\times 5^5$

素因数の和:37

約数の個数: 30

約数和(自身を含む): 472626

約数和(自身を除く): 219501

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 625, 675, 1125, 1875, 2025, 3125, 3375, 5625, 9375, 10125, 16875, 28125, 50625, 84375, 253125]

約数ペア:

[(1, 253125), (3, 84375), (5, 50625), (9, 28125), (15, 16875), (25, 10125), (27, 9375), (45, 5625), (75, 3375), (81, 3125), (125, 2025), (135, 1875), (225, 1125), (375, 675), (405, 625)]