28382025

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{7723}}^1$

素因数の和:7750

約数の個数: 36

約数和(自身を含む): 54593232

約数和(自身を除く): 26211207

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 7723, 23169, 38615, 54061, 115845, 162183, 193075, 270305, 378427, 579225, 810915, 1135281, 1351525, 1892135, 4054575, 5676405, 9460675, 28382025]

約数ペア:

[(1, 28382025), (3, 9460675), (5, 5676405), (7, 4054575), (15, 1892135), (21, 1351525), (25, 1135281), (35, 810915), (49, 579225), (75, 378427), (105, 270305), (147, 193075), (175, 162183), (245, 115845), (525, 54061), (735, 38615), (1225, 23169), (3675, 7723)]