86987817

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20011}}^1$

素因数の和:20050

約数の個数: 32

約数和(自身を含む): 153692160

約数和(自身を除く): 66704343

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 20011, 60033, 140077, 180099, 420231, 460253, 540297, 1260693, 1380759, 3221771, 3782079, 4142277, 9665313, 12426831, 28995939, 86987817]

約数ペア:

[(1, 86987817), (3, 28995939), (7, 12426831), (9, 9665313), (21, 4142277), (23, 3782079), (27, 3221771), (63, 1380759), (69, 1260693), (161, 540297), (189, 460253), (207, 420231), (483, 180099), (621, 140077), (1449, 60033), (4347, 20011)]