66646281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1697}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 102695040

約数和(自身を除く): 36048759

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 689, 741, 1007, 1697, 2067, 3021, 5091, 13091, 22061, 32243, 39273, 66183, 89941, 96729, 269823, 419159, 1169233, 1257477, 1708879, 3507699, 5126637, 22215427, 66646281]

約数ペア:

[(1, 66646281), (3, 22215427), (13, 5126637), (19, 3507699), (39, 1708879), (53, 1257477), (57, 1169233), (159, 419159), (247, 269823), (689, 96729), (741, 89941), (1007, 66183), (1697, 39273), (2067, 32243), (3021, 22061), (5091, 13091)]