86451561

素因数分解:

$3^2\times 7^1\times {\mathrm{673}}^1\times {\mathrm{2039}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 142995840

約数和(自身を除く): 56544279

約数列:

[1, 3, 7, 9, 21, 63, 673, 2019, 2039, 4711, 6057, 6117, 14133, 14273, 18351, 42399, 42819, 128457, 1372247, 4116741, 9605729, 12350223, 28817187, 86451561]

約数ペア:

[(1, 86451561), (3, 28817187), (7, 12350223), (9, 9605729), (21, 4116741), (63, 1372247), (673, 128457), (2019, 42819), (2039, 42399), (4711, 18351), (6057, 14273), (6117, 14133)]