281225373

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{38561}}^1$

素因数の和:38605

約数の個数: 32

約数和(自身を含む): 466445952

約数和(自身を除く): 185220579

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 7293, 38561, 115683, 424171, 501293, 655537, 1272513, 1503879, 1966611, 5514223, 7210907, 8521981, 16542669, 21632721, 25565943, 93741791, 281225373]

約数ペア:

[(1, 281225373), (3, 93741791), (11, 25565943), (13, 21632721), (17, 16542669), (33, 8521981), (39, 7210907), (51, 5514223), (143, 1966611), (187, 1503879), (221, 1272513), (429, 655537), (561, 501293), (663, 424171), (2431, 115683), (7293, 38561)]