200989899

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{20101}}^1$

素因数の和:20219

約数の個数: 24

約数和(自身を含む): 319863024

約数和(自身を除く): 118873125

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 9999, 20101, 60303, 180909, 221111, 663333, 1989999, 2030201, 6090603, 18271809, 22332211, 66996633, 200989899]

約数ペア:

[(1, 200989899), (3, 66996633), (9, 22332211), (11, 18271809), (33, 6090603), (99, 2030201), (101, 1989999), (303, 663333), (909, 221111), (1111, 180909), (3333, 60303), (9999, 20101)]