28254225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8761}}^1$

素因数の和:8817

約数の個数: 24

約数和(自身を含む): 47805472

約数和(自身を除く): 19551247

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 8761, 26283, 43805, 131415, 219025, 376723, 657075, 1130169, 1883615, 5650845, 9418075, 28254225]

約数ペア:

[(1, 28254225), (3, 9418075), (5, 5650845), (15, 1883615), (25, 1130169), (43, 657075), (75, 376723), (129, 219025), (215, 131415), (645, 43805), (1075, 26283), (3225, 8761)]