291093021

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{18059}}^1$

素因数の和:18270

約数の個数: 20

約数和(自身を含む): 437052000

約数和(自身を除く): 145958979

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 5373, 16119, 18059, 54177, 162531, 487593, 1462779, 3593741, 10781223, 32343669, 97031007, 291093021]

約数ペア:

[(1, 291093021), (3, 97031007), (9, 32343669), (27, 10781223), (81, 3593741), (199, 1462779), (597, 487593), (1791, 162531), (5373, 54177), (16119, 18059)]