2109375

素因数分解:

$3^3\times 5^7$

素因数の和:44

約数の個数: 32

約数和(自身を含む): 3906240

約数和(自身を除く): 1796865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1875, 3125, 3375, 5625, 9375, 15625, 16875, 28125, 46875, 78125, 84375, 140625, 234375, 421875, 703125, 2109375]

約数ペア:

[(1, 2109375), (3, 703125), (5, 421875), (9, 234375), (15, 140625), (25, 84375), (27, 78125), (45, 46875), (75, 28125), (125, 16875), (135, 15625), (225, 9375), (375, 5625), (625, 3375), (675, 3125), (1125, 1875)]