15968979

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{10499}}^1$

素因数の和:10531

約数の個数: 18

約数和(自身を含む): 24979500

約数和(自身を除く): 9010521

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 10499, 31497, 94491, 136487, 409461, 1228383, 1774331, 5322993, 15968979]

約数ペア:

[(1, 15968979), (3, 5322993), (9, 1774331), (13, 1228383), (39, 409461), (117, 136487), (169, 94491), (507, 31497), (1521, 10499)]