279778863

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{35339}}^1$

素因数の和:35391

約数の個数: 32

約数和(自身を含む): 474969600

約数和(自身を除く): 195190737

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 35339, 106017, 247373, 459407, 742119, 1024831, 1378221, 3074493, 3215849, 7173817, 9647547, 13322803, 21521451, 39968409, 93259621, 279778863]

約数ペア:

[(1, 279778863), (3, 93259621), (7, 39968409), (13, 21521451), (21, 13322803), (29, 9647547), (39, 7173817), (87, 3215849), (91, 3074493), (203, 1378221), (273, 1024831), (377, 742119), (609, 459407), (1131, 247373), (2639, 106017), (7917, 35339)]