81996435

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{12923}}^1$

素因数の和:12984

約数の個数: 32

約数和(自身を含む): 148884480

約数和(自身を除く): 66888045

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 6345, 12923, 38769, 64615, 116307, 193845, 348921, 581535, 607381, 1744605, 1822143, 3036905, 5466429, 9110715, 16399287, 27332145, 81996435]

約数ペア:

[(1, 81996435), (3, 27332145), (5, 16399287), (9, 9110715), (15, 5466429), (27, 3036905), (45, 1822143), (47, 1744605), (135, 607381), (141, 581535), (235, 348921), (423, 193845), (705, 116307), (1269, 64615), (2115, 38769), (6345, 12923)]