1285757793

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{299501}}^1$

素因数の和:299566

約数の個数: 20

約数和(自身を含む): 1956946068

約数和(自身を除く): 671188275

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 299501, 898503, 2695509, 8086527, 15873553, 24259581, 47620659, 142861977, 428585931, 1285757793]

約数ペア:

[(1, 1285757793), (3, 428585931), (9, 142861977), (27, 47620659), (53, 24259581), (81, 15873553), (159, 8086527), (477, 2695509), (1431, 898503), (4293, 299501)]