28862649

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{1021}}^1$

素因数の和:1382

約数の個数: 20

約数和(自身を含む): 43281700

約数和(自身を除く): 14419051

約数列:

[1, 3, 9, 27, 81, 349, 1021, 1047, 3063, 3141, 9189, 9423, 27567, 28269, 82701, 356329, 1068987, 3206961, 9620883, 28862649]

約数ペア:

[(1, 28862649), (3, 9620883), (9, 3206961), (27, 1068987), (81, 356329), (349, 82701), (1021, 28269), (1047, 27567), (3063, 9423), (3141, 9189)]