42639519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 65790144

約数和(自身を除く): 23150625

約数列:

[1, 3, 13, 17, 39, 51, 73, 219, 221, 663, 881, 949, 1241, 2643, 2847, 3723, 11453, 14977, 16133, 34359, 44931, 48399, 64313, 192939, 194701, 584103, 836069, 1093321, 2508207, 3279963, 14213173, 42639519]

約数ペア:

[(1, 42639519), (3, 14213173), (13, 3279963), (17, 2508207), (39, 1093321), (51, 836069), (73, 584103), (219, 194701), (221, 192939), (663, 64313), (881, 48399), (949, 44931), (1241, 34359), (2643, 16133), (2847, 14977), (3723, 11453)]