206820003

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{13159}}^1$

素因数の和:13219

約数の個数: 24

約数和(自身を含む): 308259840

約数和(自身を除く): 101439837

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 5239, 13159, 15717, 39477, 171067, 407929, 513201, 1223787, 2223871, 5303077, 6671613, 15909231, 68940001, 206820003]

約数ペア:

[(1, 206820003), (3, 68940001), (13, 15909231), (31, 6671613), (39, 5303077), (93, 2223871), (169, 1223787), (403, 513201), (507, 407929), (1209, 171067), (5239, 39477), (13159, 15717)]