87129861

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1783}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 143861760

約数和(自身を除く): 56731899

約数列:

[1, 3, 7, 13, 21, 39, 91, 179, 273, 537, 1253, 1783, 2327, 3759, 5349, 6981, 12481, 16289, 23179, 37443, 48867, 69537, 162253, 319157, 486759, 957471, 2234099, 4149041, 6702297, 12447123, 29043287, 87129861]

約数ペア:

[(1, 87129861), (3, 29043287), (7, 12447123), (13, 6702297), (21, 4149041), (39, 2234099), (91, 957471), (179, 486759), (273, 319157), (537, 162253), (1253, 69537), (1783, 48867), (2327, 37443), (3759, 23179), (5349, 16289), (6981, 12481)]