81087305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{743}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 110992896

約数和(自身を除く): 29905591

約数列:

[1, 5, 13, 23, 65, 73, 115, 299, 365, 743, 949, 1495, 1679, 3715, 4745, 8395, 9659, 17089, 21827, 48295, 54239, 85445, 109135, 222157, 271195, 705107, 1110785, 1247497, 3525535, 6237485, 16217461, 81087305]

約数ペア:

[(1, 81087305), (5, 16217461), (13, 6237485), (23, 3525535), (65, 1247497), (73, 1110785), (115, 705107), (299, 271195), (365, 222157), (743, 109135), (949, 85445), (1495, 54239), (1679, 48295), (3715, 21827), (4745, 17089), (8395, 9659)]