281738163

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{2179}}^1$

素因数の和:2367

約数の個数: 32

約数和(自身を含む): 441999360

約数和(自身を除く): 160261197

約数列:

[1, 3, 7, 21, 47, 131, 141, 329, 393, 917, 987, 2179, 2751, 6157, 6537, 15253, 18471, 43099, 45759, 102413, 129297, 285449, 307239, 716891, 856347, 1998143, 2150673, 5994429, 13416103, 40248309, 93912721, 281738163]

約数ペア:

[(1, 281738163), (3, 93912721), (7, 40248309), (21, 13416103), (47, 5994429), (131, 2150673), (141, 1998143), (329, 856347), (393, 716891), (917, 307239), (987, 285449), (2179, 129297), (2751, 102413), (6157, 45759), (6537, 43099), (15253, 18471)]