28638933

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8831}}^1$

素因数の和:8904

約数の個数: 16

約数和(自身を含む): 40697856

約数和(自身を除く): 12058923

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 8831, 26493, 203113, 415057, 609339, 1245171, 9546311, 28638933]

約数ペア:

[(1, 28638933), (3, 9546311), (23, 1245171), (47, 609339), (69, 415057), (141, 203113), (1081, 26493), (3243, 8831)]