85506561

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4421}}^1$

素因数の和:4741

約数の個数: 24

約数和(自身を含む): 141645504

約数和(自身を除く): 56138943

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2763, 4421, 6447, 13263, 19341, 30947, 39789, 92841, 278523, 1357247, 4071741, 9500729, 12215223, 28502187, 85506561]

約数ペア:

[(1, 85506561), (3, 28502187), (7, 12215223), (9, 9500729), (21, 4071741), (63, 1357247), (307, 278523), (921, 92841), (2149, 39789), (2763, 30947), (4421, 19341), (6447, 13263)]