28678485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{971}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 50388480

約数和(自身を除く): 21709995

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 179, 537, 895, 971, 1969, 2685, 2913, 4855, 5907, 9845, 10681, 14565, 29535, 32043, 53405, 160215, 173809, 521427, 869045, 1911899, 2607135, 5735697, 9559495, 28678485]

約数ペア:

[(1, 28678485), (3, 9559495), (5, 5735697), (11, 2607135), (15, 1911899), (33, 869045), (55, 521427), (165, 173809), (179, 160215), (537, 53405), (895, 32043), (971, 29535), (1969, 14565), (2685, 10681), (2913, 9845), (4855, 5907)]