978081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 1451520

約数和(自身を除く): 473439

約数列:

[1, 3, 13, 31, 39, 93, 403, 809, 1209, 2427, 10517, 25079, 31551, 75237, 326027, 978081]

約数ペア:

[(1, 978081), (3, 326027), (13, 75237), (31, 31551), (39, 25079), (93, 10517), (403, 2427), (809, 1209)]