809613

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 1362816

約数和(自身を除く): 553203

約数列:

[1, 3, 7, 9, 21, 63, 71, 181, 213, 497, 543, 639, 1267, 1491, 1629, 3801, 4473, 11403, 12851, 38553, 89957, 115659, 269871, 809613]

約数ペア:

[(1, 809613), (3, 269871), (7, 115659), (9, 89957), (21, 38553), (63, 12851), (71, 11403), (181, 4473), (213, 3801), (497, 1629), (543, 1491), (639, 1267)]