161681103

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{19763}}^1$

素因数の和:19876

約数の個数: 20

約数和(自身を含む): 243927288

約数和(自身を除く): 82246185

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 19763, 59289, 177867, 533601, 1600803, 1996063, 5988189, 17964567, 53893701, 161681103]

約数ペア:

[(1, 161681103), (3, 53893701), (9, 17964567), (27, 5988189), (81, 1996063), (101, 1600803), (303, 533601), (909, 177867), (2727, 59289), (8181, 19763)]