28428777

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14293}}^1$

素因数の和:14329

約数の個数: 24

約数和(自身を含む): 46827144

約数和(自身を除く): 18398367

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 14293, 42879, 128637, 185809, 242981, 557427, 728943, 1672281, 2186829, 3158753, 9476259, 28428777]

約数ペア:

[(1, 28428777), (3, 9476259), (9, 3158753), (13, 2186829), (17, 1672281), (39, 728943), (51, 557427), (117, 242981), (153, 185809), (221, 128637), (663, 42879), (1989, 14293)]