28587819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17047}}^1$

素因数の和:17106

約数の個数: 16

約数和(自身を含む): 42006272

約数和(自身を除く): 13418453

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 17047, 51141, 221611, 664833, 733021, 2199063, 9529273, 28587819]

約数ペア:

[(1, 28587819), (3, 9529273), (13, 2199063), (39, 733021), (43, 664833), (129, 221611), (559, 51141), (1677, 17047)]