205787145

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1423}}^1$

素因数の和:1773

約数の個数: 32

約数和(自身を含む): 341213184

約数和(自身を除く): 135426039

約数列:

[1, 3, 5, 15, 31, 93, 155, 311, 465, 933, 1423, 1555, 4269, 4665, 7115, 9641, 21345, 28923, 44113, 48205, 132339, 144615, 220565, 442553, 661695, 1327659, 2212765, 6638295, 13719143, 41157429, 68595715, 205787145]

約数ペア:

[(1, 205787145), (3, 68595715), (5, 41157429), (15, 13719143), (31, 6638295), (93, 2212765), (155, 1327659), (311, 661695), (465, 442553), (933, 220565), (1423, 144615), (1555, 132339), (4269, 48205), (4665, 44113), (7115, 28923), (9641, 21345)]