205576245

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1031}}^1$

素因数の和:1263

約数の個数: 64

約数和(自身を含む): 420065280

約数和(自身を除く): 214489035

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 211, 315, 633, 945, 1031, 1055, 1477, 1899, 3093, 3165, 4431, 5155, 5697, 7217, 7385, 9279, 9495, 13293, 15465, 21651, 22155, 27837, 28485, 36085, 39879, 46395, 64953, 66465, 108255, 139185, 194859, 199395, 217541, 324765, 652623, 974295, 1087705, 1522787, 1957869, 3263115, 4568361, 5873607, 7613935, 9789345, 13705083, 22841805, 29368035, 41115249, 68525415, 205576245]

約数ペア:

[(1, 205576245), (3, 68525415), (5, 41115249), (7, 29368035), (9, 22841805), (15, 13705083), (21, 9789345), (27, 7613935), (35, 5873607), (45, 4568361), (63, 3263115), (105, 1957869), (135, 1522787), (189, 1087705), (211, 974295), (315, 652623), (633, 324765), (945, 217541), (1031, 199395), (1055, 194859), (1477, 139185), (1899, 108255), (3093, 66465), (3165, 64953), (4431, 46395), (5155, 39879), (5697, 36085), (7217, 28485), (7385, 27837), (9279, 22155), (9495, 21651), (13293, 15465)]