28261413

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 43228800

約数和(自身を除く): 14967387

約数列:

[1, 3, 9, 27, 59, 113, 157, 177, 339, 471, 531, 1017, 1413, 1593, 3051, 4239, 6667, 9263, 17741, 20001, 27789, 53223, 60003, 83367, 159669, 180009, 250101, 479007, 1046719, 3140157, 9420471, 28261413]

約数ペア:

[(1, 28261413), (3, 9420471), (9, 3140157), (27, 1046719), (59, 479007), (113, 250101), (157, 180009), (177, 159669), (339, 83367), (471, 60003), (531, 53223), (1017, 27789), (1413, 20001), (1593, 17741), (3051, 9263), (4239, 6667)]