207440079

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{128287}}^1$

素因数の和:128315

約数の個数: 24

約数和(自身を含む): 350995968

約数和(自身を除く): 143555889

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 128287, 384861, 898009, 1411157, 2694027, 4233471, 6286063, 9878099, 18858189, 29634297, 69146693, 207440079]

約数ペア:

[(1, 207440079), (3, 69146693), (7, 29634297), (11, 18858189), (21, 9878099), (33, 6286063), (49, 4233471), (77, 2694027), (147, 1411157), (231, 898009), (539, 384861), (1617, 128287)]