28279665

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4457}}^1$

素因数の和:4518

約数の個数: 32

約数和(自身を含む): 51356160

約数和(自身を除く): 23076495

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 4457, 6345, 13371, 22285, 40113, 66855, 120339, 200565, 209479, 601695, 628437, 1047395, 1885311, 3142185, 5655933, 9426555, 28279665]

約数ペア:

[(1, 28279665), (3, 9426555), (5, 5655933), (9, 3142185), (15, 1885311), (27, 1047395), (45, 628437), (47, 601695), (135, 209479), (141, 200565), (235, 120339), (423, 66855), (705, 40113), (1269, 22285), (2115, 13371), (4457, 6345)]