172138719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 248956416

約数和(自身を除く): 76817697

約数列:

[1, 3, 17, 51, 71, 137, 213, 347, 411, 1041, 1207, 2329, 3621, 5899, 6987, 9727, 17697, 24637, 29181, 47539, 73911, 142617, 165359, 418829, 496077, 808163, 1256487, 2424489, 3375269, 10125807, 57379573, 172138719]

約数ペア:

[(1, 172138719), (3, 57379573), (17, 10125807), (51, 3375269), (71, 2424489), (137, 1256487), (213, 808163), (347, 496077), (411, 418829), (1041, 165359), (1207, 142617), (2329, 73911), (3621, 47539), (5899, 29181), (6987, 24637), (9727, 17697)]