2245725

素因数分解:

$3^4\times 5^2\times {\mathrm{1109}}^1$

素因数の和:1131

約数の個数: 30

約数和(自身を含む): 4163610

約数和(自身を除く): 1917885

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 1109, 2025, 3327, 5545, 9981, 16635, 27725, 29943, 49905, 83175, 89829, 149715, 249525, 449145, 748575, 2245725]

約数ペア:

[(1, 2245725), (3, 748575), (5, 449145), (9, 249525), (15, 149715), (25, 89829), (27, 83175), (45, 49905), (75, 29943), (81, 27725), (135, 16635), (225, 9981), (405, 5545), (675, 3327), (1109, 2025)]