128373219

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{17987}}^1$

素因数の和:18067

約数の個数: 24

約数和(自身を含む): 202976592

約数和(自身を除く): 74603373

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 7137, 17987, 53961, 161883, 233831, 701493, 1097207, 2104479, 3291621, 9874863, 14263691, 42791073, 128373219]

約数ペア:

[(1, 128373219), (3, 42791073), (9, 14263691), (13, 9874863), (39, 3291621), (61, 2104479), (117, 1097207), (183, 701493), (549, 233831), (793, 161883), (2379, 53961), (7137, 17987)]