25747875

素因数分解:

$3^4\times 5^3\times {\mathrm{2543}}^1$

素因数の和:2570

約数の個数: 40

約数和(自身を含む): 48020544

約数和(自身を除く): 22272669

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 2543, 3375, 7629, 10125, 12715, 22887, 38145, 63575, 68661, 114435, 190725, 205983, 317875, 343305, 572175, 953625, 1029915, 1716525, 2860875, 5149575, 8582625, 25747875]

約数ペア:

[(1, 25747875), (3, 8582625), (5, 5149575), (9, 2860875), (15, 1716525), (25, 1029915), (27, 953625), (45, 572175), (75, 343305), (81, 317875), (125, 205983), (135, 190725), (225, 114435), (375, 68661), (405, 63575), (675, 38145), (1125, 22887), (2025, 12715), (2543, 10125), (3375, 7629)]