221642883

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{319831}}^1$

素因数の和:319855

約数の個数: 24

約数和(自身を含む): 399150336

約数和(自身を除く): 177507453

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 319831, 959493, 2238817, 2878479, 3518141, 6716451, 10554423, 20149353, 24626987, 31663269, 73880961, 221642883]

約数ペア:

[(1, 221642883), (3, 73880961), (7, 31663269), (9, 24626987), (11, 20149353), (21, 10554423), (33, 6716451), (63, 3518141), (77, 2878479), (99, 2238817), (231, 959493), (693, 319831)]