28587495

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2711}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 49466880

約数和(自身を除く): 20879385

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 2711, 3515, 8133, 10545, 13555, 40665, 51509, 100307, 154527, 257545, 300921, 501535, 772635, 1504605, 1905833, 5717499, 9529165, 28587495]

約数ペア:

[(1, 28587495), (3, 9529165), (5, 5717499), (15, 1905833), (19, 1504605), (37, 772635), (57, 501535), (95, 300921), (111, 257545), (185, 154527), (285, 100307), (555, 51509), (703, 40665), (2109, 13555), (2711, 10545), (3515, 8133)]