28090185

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 46783488

約数和(自身を除く): 18693303

約数列:

[1, 3, 5, 15, 31, 93, 155, 193, 313, 465, 579, 939, 965, 1565, 2895, 4695, 5983, 9703, 17949, 29109, 29915, 48515, 60409, 89745, 145545, 181227, 302045, 906135, 1872679, 5618037, 9363395, 28090185]

約数ペア:

[(1, 28090185), (3, 9363395), (5, 5618037), (15, 1872679), (31, 906135), (93, 302045), (155, 181227), (193, 145545), (313, 89745), (465, 60409), (579, 48515), (939, 29915), (965, 29109), (1565, 17949), (2895, 9703), (4695, 5983)]