13201825

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:866

約数の個数: 36

約数和(自身を含む): 20532540

約数和(自身を除く): 7330715

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 829, 1225, 2275, 3185, 4145, 5803, 10777, 15925, 20725, 29015, 40621, 53885, 75439, 145075, 203105, 269425, 377195, 528073, 1015525, 1885975, 2640365, 13201825]

約数ペア:

[(1, 13201825), (5, 2640365), (7, 1885975), (13, 1015525), (25, 528073), (35, 377195), (49, 269425), (65, 203105), (91, 145075), (175, 75439), (245, 53885), (325, 40621), (455, 29015), (637, 20725), (829, 15925), (1225, 10777), (2275, 5803), (3185, 4145)]