200920165929

素因数分解:

$3^3\times 7^1\times {\mathrm{50989}}^1\times {\mathrm{20849}}^1$

素因数の和:71854

約数の個数: 32

約数和(自身を含む): 340205280000

約数和(自身を除く): 139285114071

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 20849, 50989, 62547, 145943, 152967, 187641, 356923, 437829, 458901, 562923, 1070769, 1313487, 1376703, 3212307, 3940461, 9636921, 1063069661, 3189208983, 7441487627, 9567626949, 22324462881, 28702880847, 66973388643, 200920165929]

約数ペア:

[(1, 200920165929), (3, 66973388643), (7, 28702880847), (9, 22324462881), (21, 9567626949), (27, 7441487627), (63, 3189208983), (189, 1063069661), (20849, 9636921), (50989, 3940461), (62547, 3212307), (145943, 1376703), (152967, 1313487), (187641, 1070769), (356923, 562923), (437829, 458901)]