27639339

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 45749760

約数和(自身を除く): 18110421

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 739, 959, 1781, 2217, 2877, 5173, 5343, 9607, 12467, 15519, 28821, 37401, 67249, 101243, 201747, 303729, 708701, 1316159, 2126103, 3948477, 9213113, 27639339]

約数ペア:

[(1, 27639339), (3, 9213113), (7, 3948477), (13, 2126103), (21, 1316159), (39, 708701), (91, 303729), (137, 201747), (273, 101243), (411, 67249), (739, 37401), (959, 28821), (1781, 15519), (2217, 12467), (2877, 9607), (5173, 5343)]