28571655

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{38873}}^1$

素因数の和:38895

約数の個数: 24

約数和(自身を含む): 53179632

約数和(自身を除く): 24607977

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 38873, 116619, 194365, 272111, 583095, 816333, 1360555, 1904777, 4081665, 5714331, 9523885, 28571655]

約数ペア:

[(1, 28571655), (3, 9523885), (5, 5714331), (7, 4081665), (15, 1904777), (21, 1360555), (35, 816333), (49, 583095), (105, 272111), (147, 194365), (245, 116619), (735, 38873)]