289138977

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{7013}}^1$

素因数の和:7534

約数の個数: 20

約数和(自身を含む): 432833940

約数和(自身を除く): 143694963

約数列:

[1, 3, 9, 27, 81, 509, 1527, 4581, 7013, 13743, 21039, 41229, 63117, 189351, 568053, 3569617, 10708851, 32126553, 96379659, 289138977]

約数ペア:

[(1, 289138977), (3, 96379659), (9, 32126553), (27, 10708851), (81, 3569617), (509, 568053), (1527, 189351), (4581, 63117), (7013, 41229), (13743, 21039)]