85678791

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1493}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 130802688

約数和(自身を除く): 45123897

約数列:

[1, 3, 11, 33, 37, 47, 111, 141, 407, 517, 1221, 1493, 1551, 1739, 4479, 5217, 16423, 19129, 49269, 55241, 57387, 70171, 165723, 210513, 607651, 771881, 1822953, 2315643, 2596327, 7788981, 28559597, 85678791]

約数ペア:

[(1, 85678791), (3, 28559597), (11, 7788981), (33, 2596327), (37, 2315643), (47, 1822953), (111, 771881), (141, 607651), (407, 210513), (517, 165723), (1221, 70171), (1493, 57387), (1551, 55241), (1739, 49269), (4479, 19129), (5217, 16423)]