22528125

素因数分解:

$3^4\times 5^5\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 60

約数和(自身を含む): 42536340

約数和(自身を除く): 20008215

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 89, 125, 135, 225, 267, 375, 405, 445, 625, 675, 801, 1125, 1335, 1875, 2025, 2225, 2403, 3125, 3375, 4005, 5625, 6675, 7209, 9375, 10125, 11125, 12015, 16875, 20025, 28125, 33375, 36045, 50625, 55625, 60075, 84375, 100125, 166875, 180225, 253125, 278125, 300375, 500625, 834375, 901125, 1501875, 2503125, 4505625, 7509375, 22528125]

約数ペア:

[(1, 22528125), (3, 7509375), (5, 4505625), (9, 2503125), (15, 1501875), (25, 901125), (27, 834375), (45, 500625), (75, 300375), (81, 278125), (89, 253125), (125, 180225), (135, 166875), (225, 100125), (267, 84375), (375, 60075), (405, 55625), (445, 50625), (625, 36045), (675, 33375), (801, 28125), (1125, 20025), (1335, 16875), (1875, 12015), (2025, 11125), (2225, 10125), (2403, 9375), (3125, 7209), (3375, 6675), (4005, 5625)]