64990809

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{14243}}^1$

素因数の和:14278

約数の個数: 24

約数和(自身を含む): 104266080

約数和(自身を除く): 39275271

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 14243, 42729, 128187, 185159, 384561, 555477, 1666431, 2407067, 4999293, 7221201, 21663603, 64990809]

約数ペア:

[(1, 64990809), (3, 21663603), (9, 7221201), (13, 4999293), (27, 2407067), (39, 1666431), (117, 555477), (169, 384561), (351, 185159), (507, 128187), (1521, 42729), (4563, 14243)]