17903691

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 28548000

約数和(自身を除く): 10644309

約数列:

[1, 3, 9, 13, 39, 79, 117, 149, 169, 237, 447, 507, 711, 1027, 1341, 1521, 1937, 3081, 5811, 9243, 11771, 13351, 17433, 25181, 35313, 40053, 75543, 105939, 120159, 153023, 226629, 459069, 1377207, 1989299, 5967897, 17903691]

約数ペア:

[(1, 17903691), (3, 5967897), (9, 1989299), (13, 1377207), (39, 459069), (79, 226629), (117, 153023), (149, 120159), (169, 105939), (237, 75543), (447, 40053), (507, 35313), (711, 25181), (1027, 17433), (1341, 13351), (1521, 11771), (1937, 9243), (3081, 5811)]