28539303

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 42470400

約数和(自身を除く): 13931097

約数列:

[1, 3, 13, 39, 59, 79, 157, 177, 237, 471, 767, 1027, 2041, 2301, 3081, 4661, 6123, 9263, 12403, 13983, 27789, 37209, 60593, 120419, 161239, 181779, 361257, 483717, 731777, 2195331, 9513101, 28539303]

約数ペア:

[(1, 28539303), (3, 9513101), (13, 2195331), (39, 731777), (59, 483717), (79, 361257), (157, 181779), (177, 161239), (237, 120419), (471, 60593), (767, 37209), (1027, 27789), (2041, 13983), (2301, 12403), (3081, 9263), (4661, 6123)]