205126215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{9817}}^1$

素因数の和:10031

約数の個数: 32

約数和(自身を含む): 377011200

約数和(自身を除く): 171884985

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 995, 1393, 2985, 4179, 6965, 9817, 20895, 29451, 49085, 68719, 147255, 206157, 343595, 1030785, 1953583, 5860749, 9767915, 13675081, 29303745, 41025243, 68375405, 205126215]

約数ペア:

[(1, 205126215), (3, 68375405), (5, 41025243), (7, 29303745), (15, 13675081), (21, 9767915), (35, 5860749), (105, 1953583), (199, 1030785), (597, 343595), (995, 206157), (1393, 147255), (2985, 68719), (4179, 49085), (6965, 29451), (9817, 20895)]