28845225

素因数分解:

$3^2\times 5^2\times {\mathrm{128201}}^1$

素因数の和:128217

約数の個数: 18

約数和(自身を含む): 51665406

約数和(自身を除く): 22820181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 128201, 384603, 641005, 1153809, 1923015, 3205025, 5769045, 9615075, 28845225]

約数ペア:

[(1, 28845225), (3, 9615075), (5, 5769045), (9, 3205025), (15, 1923015), (25, 1153809), (45, 641005), (75, 384603), (225, 128201)]