221979177

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{14867}}^1$

素因数の和:14962

約数の個数: 32

約数和(自身を含む): 380620800

約数和(自身を除く): 158641623

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1659, 2133, 4977, 14867, 14931, 44601, 104069, 133803, 312207, 401409, 936621, 1174493, 2809863, 3523479, 8221451, 10570437, 24664353, 31711311, 73993059, 221979177]

約数ペア:

[(1, 221979177), (3, 73993059), (7, 31711311), (9, 24664353), (21, 10570437), (27, 8221451), (63, 3523479), (79, 2809863), (189, 1174493), (237, 936621), (553, 401409), (711, 312207), (1659, 133803), (2133, 104069), (4977, 44601), (14867, 14931)]