39905307

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20063}}^1$

素因数の和:20099

約数の個数: 24

約数和(自身を含む): 65729664

約数和(自身を除く): 25824357

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 20063, 60189, 180567, 260819, 341071, 782457, 1023213, 2347371, 3069639, 4433923, 13301769, 39905307]

約数ペア:

[(1, 39905307), (3, 13301769), (9, 4433923), (13, 3069639), (17, 2347371), (39, 1023213), (51, 782457), (117, 341071), (153, 260819), (221, 180567), (663, 60189), (1989, 20063)]