28120695

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 46467264

約数和(自身を除く): 18346569

約数列:

[1, 3, 5, 15, 61, 73, 183, 219, 305, 365, 421, 915, 1095, 1263, 2105, 4453, 6315, 13359, 22265, 25681, 30733, 66795, 77043, 92199, 128405, 153665, 385215, 460995, 1874713, 5624139, 9373565, 28120695]

約数ペア:

[(1, 28120695), (3, 9373565), (5, 5624139), (15, 1874713), (61, 460995), (73, 385215), (183, 153665), (219, 128405), (305, 92199), (365, 77043), (421, 66795), (915, 30733), (1095, 25681), (1263, 22265), (2105, 13359), (4453, 6315)]