31889949

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{587}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 52684800

約数和(自身を除く): 20794851

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 587, 597, 1393, 1761, 2587, 4109, 4179, 7631, 7761, 12327, 18109, 22893, 53417, 54327, 116813, 160251, 350439, 817691, 1518569, 2453073, 4555707, 10629983, 31889949]

約数ペア:

[(1, 31889949), (3, 10629983), (7, 4555707), (13, 2453073), (21, 1518569), (39, 817691), (91, 350439), (199, 160251), (273, 116813), (587, 54327), (597, 53417), (1393, 22893), (1761, 18109), (2587, 12327), (4109, 7761), (4179, 7631)]