211504839

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20939}}^1$

素因数の和:20999

約数の個数: 32

約数和(自身を含む): 356482560

約数和(自身を除く): 144977721

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 10101, 20939, 62817, 146573, 272207, 439719, 774743, 816621, 1905449, 2324229, 5423201, 5716347, 10071659, 16269603, 30214977, 70501613, 211504839]

約数ペア:

[(1, 211504839), (3, 70501613), (7, 30214977), (13, 16269603), (21, 10071659), (37, 5716347), (39, 5423201), (91, 2324229), (111, 1905449), (259, 816621), (273, 774743), (481, 439719), (777, 272207), (1443, 146573), (3367, 62817), (10101, 20939)]