81163791

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{607}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 119508480

約数和(自身を除く): 38344689

約数列:

[1, 3, 9, 83, 179, 249, 537, 607, 747, 1611, 1821, 5463, 14857, 44571, 50381, 108653, 133713, 151143, 325959, 453429, 977877, 9018199, 27054597, 81163791]

約数ペア:

[(1, 81163791), (3, 27054597), (9, 9018199), (83, 977877), (179, 453429), (249, 325959), (537, 151143), (607, 133713), (747, 108653), (1611, 50381), (1821, 44571), (5463, 14857)]