291216927

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 413138880

約数和(自身を除く): 121921953

約数列:

[1, 3, 29, 53, 87, 137, 159, 411, 461, 1383, 1537, 3973, 4611, 7261, 11919, 13369, 21783, 24433, 40107, 63157, 73299, 189471, 210569, 631707, 708557, 1831553, 2125671, 3347321, 5494659, 10041963, 97072309, 291216927]

約数ペア:

[(1, 291216927), (3, 97072309), (29, 10041963), (53, 5494659), (87, 3347321), (137, 2125671), (159, 1831553), (411, 708557), (461, 631707), (1383, 210569), (1537, 189471), (3973, 73299), (4611, 63157), (7261, 40107), (11919, 24433), (13369, 21783)]