278855552007

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{1279}}^1\times {\mathrm{1693}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 414365952000

約数和(自身を除く): 135510399993

約数列:

[1, 3, 9, 41, 123, 349, 369, 1047, 1279, 1693, 3141, 3837, 5079, 11511, 14309, 15237, 42927, 52439, 69413, 128781, 157317, 208239, 446371, 471951, 590857, 624717, 1339113, 1772571, 2165347, 4017339, 5317713, 6496041, 18301211, 19488123, 24225137, 54903633, 72675411, 88779227, 164710899, 218026233, 266337681, 755706103, 799013043, 2267118309, 6801354927, 30983950223, 92951850669, 278855552007]

約数ペア:

[(1, 278855552007), (3, 92951850669), (9, 30983950223), (41, 6801354927), (123, 2267118309), (349, 799013043), (369, 755706103), (1047, 266337681), (1279, 218026233), (1693, 164710899), (3141, 88779227), (3837, 72675411), (5079, 54903633), (11511, 24225137), (14309, 19488123), (15237, 18301211), (42927, 6496041), (52439, 5317713), (69413, 4017339), (128781, 2165347), (157317, 1772571), (208239, 1339113), (446371, 624717), (471951, 590857)]