78811971

素因数分解:

$3^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{4639}}^1$

素因数の和:5458

約数の個数: 16

約数和(自身を含む): 120268800

約数和(自身を除く): 41456829

約数列:

[1, 3, 7, 21, 809, 2427, 4639, 5663, 13917, 16989, 32473, 97419, 3752951, 11258853, 26270657, 78811971]

約数ペア:

[(1, 78811971), (3, 26270657), (7, 11258853), (21, 3752951), (809, 97419), (2427, 32473), (4639, 16989), (5663, 13917)]