84375

素因数分解:

$3^3\times 5^5$

素因数の和:34

約数の個数: 24

約数和(自身を含む): 156240

約数和(自身を除く): 71865

約数列:

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

約数ペア:

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