280845387

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1187}}^1$

素因数の和:1349

約数の個数: 40

約数和(自身を含む): 441593856

約数和(自身を除く): 160748469

約数列:

[1, 3, 9, 23, 27, 69, 81, 127, 207, 381, 621, 1143, 1187, 1863, 2921, 3429, 3561, 8763, 10287, 10683, 26289, 27301, 32049, 78867, 81903, 96147, 150749, 236601, 245709, 452247, 737127, 1356741, 2211381, 3467227, 4070223, 10401681, 12210669, 31205043, 93615129, 280845387]

約数ペア:

[(1, 280845387), (3, 93615129), (9, 31205043), (23, 12210669), (27, 10401681), (69, 4070223), (81, 3467227), (127, 2211381), (207, 1356741), (381, 737127), (621, 452247), (1143, 245709), (1187, 236601), (1863, 150749), (2921, 96147), (3429, 81903), (3561, 78867), (8763, 32049), (10287, 27301), (10683, 26289)]