405538419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20113}}^1$

素因数の和:20187

約数の個数: 32

約数和(自身を含む): 648797184

約数和(自身を除く): 243258765

約数列:

[1, 3, 11, 13, 33, 39, 47, 141, 143, 429, 517, 611, 1551, 1833, 6721, 20113, 20163, 60339, 221243, 261469, 663729, 784407, 945311, 2835933, 2876159, 8628477, 10398421, 12289043, 31195263, 36867129, 135179473, 405538419]

約数ペア:

[(1, 405538419), (3, 135179473), (11, 36867129), (13, 31195263), (33, 12289043), (39, 10398421), (47, 8628477), (141, 2876159), (143, 2835933), (429, 945311), (517, 784407), (611, 663729), (1551, 261469), (1833, 221243), (6721, 60339), (20113, 20163)]