28354779

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{12071}}^1$

素因数の和:12112

約数の個数: 20

約数和(自身を含む): 43821360

約数和(自身を除く): 15466581

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 12071, 36213, 108639, 325917, 350059, 977751, 1050177, 3150531, 9451593, 28354779]

約数ペア:

[(1, 28354779), (3, 9451593), (9, 3150531), (27, 1050177), (29, 977751), (81, 350059), (87, 325917), (261, 108639), (783, 36213), (2349, 12071)]