138980691

素因数分解:

$3^5\times {\mathrm{431}}^1\times {\mathrm{1327}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 208825344

約数和(自身を除く): 69844653

約数列:

[1, 3, 9, 27, 81, 243, 431, 1293, 1327, 3879, 3981, 11637, 11943, 34911, 35829, 104733, 107487, 322461, 571937, 1715811, 5147433, 15442299, 46326897, 138980691]

約数ペア:

[(1, 138980691), (3, 46326897), (9, 15442299), (27, 5147433), (81, 1715811), (243, 571937), (431, 322461), (1293, 107487), (1327, 104733), (3879, 35829), (3981, 34911), (11637, 11943)]