199881121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 245877120

約数和(自身を除く): 45995999

約数列:

[1, 11, 17, 19, 101, 187, 209, 323, 557, 1111, 1717, 1919, 3553, 6127, 9469, 10583, 18887, 21109, 32623, 56257, 104159, 116413, 179911, 358853, 618827, 956369, 1068883, 1979021, 10520059, 11757713, 18171011, 199881121]

約数ペア:

[(1, 199881121), (11, 18171011), (17, 11757713), (19, 10520059), (101, 1979021), (187, 1068883), (209, 956369), (323, 618827), (557, 358853), (1111, 179911), (1717, 116413), (1919, 104159), (3553, 56257), (6127, 32623), (9469, 21109), (10583, 18887)]