27661235

素因数分解:

$5^1\times 7^3\times {\mathrm{127}}^2$

素因数の和:280

約数の個数: 24

約数和(自身を含む): 39016800

約数和(自身を除く): 11355565

約数列:

[1, 5, 7, 35, 49, 127, 245, 343, 635, 889, 1715, 4445, 6223, 16129, 31115, 43561, 80645, 112903, 217805, 564515, 790321, 3951605, 5532247, 27661235]

約数ペア:

[(1, 27661235), (5, 5532247), (7, 3951605), (35, 790321), (49, 564515), (127, 217805), (245, 112903), (343, 80645), (635, 43561), (889, 31115), (1715, 16129), (4445, 6223)]