87220413

素因数分解:

$3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{3559}}^1$

素因数の和:3961

約数の個数: 24

約数和(自身を含む): 144393600

約数和(自身を除く): 57173187

約数列:

[1, 3, 7, 9, 21, 63, 389, 1167, 2723, 3501, 3559, 8169, 10677, 24507, 24913, 32031, 74739, 224217, 1384451, 4153353, 9691157, 12460059, 29073471, 87220413]

約数ペア:

[(1, 87220413), (3, 29073471), (7, 12460059), (9, 9691157), (21, 4153353), (63, 1384451), (389, 224217), (1167, 74739), (2723, 32031), (3501, 24913), (3559, 24507), (8169, 10677)]