28004517

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2617}}^1$

素因数の和:2693

約数の個数: 24

約数和(自身を含む): 42882840

約数和(自身を除く): 14878323

約数列:

[1, 3, 9, 29, 41, 87, 123, 261, 369, 1189, 2617, 3567, 7851, 10701, 23553, 75893, 107297, 227679, 321891, 683037, 965673, 3111613, 9334839, 28004517]

約数ペア:

[(1, 28004517), (3, 9334839), (9, 3111613), (29, 965673), (41, 683037), (87, 321891), (123, 227679), (261, 107297), (369, 75893), (1189, 23553), (2617, 10701), (3567, 7851)]