280382361

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{6133}}^1$

素因数の和:6461

約数の個数: 24

約数和(自身を含む): 436348224

約数和(自身を除く): 155965863

約数列:

[1, 3, 7, 21, 49, 147, 311, 933, 2177, 6133, 6531, 15239, 18399, 42931, 45717, 128793, 300517, 901551, 1907363, 5722089, 13351541, 40054623, 93460787, 280382361]

約数ペア:

[(1, 280382361), (3, 93460787), (7, 40054623), (21, 13351541), (49, 5722089), (147, 1907363), (311, 901551), (933, 300517), (2177, 128793), (6133, 45717), (6531, 42931), (15239, 18399)]