27778323

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 14039277

約数列:

[1, 3, 17, 19, 51, 57, 109, 263, 323, 327, 789, 969, 1853, 2071, 4471, 4997, 5559, 6213, 13413, 14991, 28667, 35207, 84949, 86001, 105621, 254847, 487339, 544673, 1462017, 1634019, 9259441, 27778323]

約数ペア:

[(1, 27778323), (3, 9259441), (17, 1634019), (19, 1462017), (51, 544673), (57, 487339), (109, 254847), (263, 105621), (323, 86001), (327, 84949), (789, 35207), (969, 28667), (1853, 14991), (2071, 13413), (4471, 6213), (4997, 5559)]