86991561

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4219}}^1$

素因数の和:4333

約数の個数: 24

約数和(自身を含む): 131664000

約数和(自身を除く): 44672439

約数列:

[1, 3, 9, 29, 79, 87, 237, 261, 711, 2291, 4219, 6873, 12657, 20619, 37971, 122351, 333301, 367053, 999903, 1101159, 2999709, 9665729, 28997187, 86991561]

約数ペア:

[(1, 86991561), (3, 28997187), (9, 9665729), (29, 2999709), (79, 1101159), (87, 999903), (237, 367053), (261, 333301), (711, 122351), (2291, 37971), (4219, 20619), (6873, 12657)]