219634317

素因数分解:

$3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{3583}}^1$

素因数の和:3742

約数の個数: 36

約数和(自身を含む): 371804160

約数和(自身を除く): 152169843

約数列:

[1, 3, 7, 9, 21, 49, 63, 139, 147, 417, 441, 973, 1251, 2919, 3583, 6811, 8757, 10749, 20433, 25081, 32247, 61299, 75243, 175567, 225729, 498037, 526701, 1494111, 1580103, 3486259, 4482333, 10458777, 24403813, 31376331, 73211439, 219634317]

約数ペア:

[(1, 219634317), (3, 73211439), (7, 31376331), (9, 24403813), (21, 10458777), (49, 4482333), (63, 3486259), (139, 1580103), (147, 1494111), (417, 526701), (441, 498037), (973, 225729), (1251, 175567), (2919, 75243), (3583, 61299), (6811, 32247), (8757, 25081), (10749, 20433)]