28008225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17783}}^1$

素因数の和:17806

約数の個数: 36

約数和(自身を含む): 57335616

約数和(自身を除く): 29327391

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 17783, 53349, 88915, 124481, 160047, 266745, 373443, 444575, 622405, 800235, 1120329, 1333725, 1867215, 3112025, 4001175, 5601645, 9336075, 28008225]

約数ペア:

[(1, 28008225), (3, 9336075), (5, 5601645), (7, 4001175), (9, 3112025), (15, 1867215), (21, 1333725), (25, 1120329), (35, 800235), (45, 622405), (63, 444575), (75, 373443), (105, 266745), (175, 160047), (225, 124481), (315, 88915), (525, 53349), (1575, 17783)]