28047173

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1009}}^1$

素因数の和:1065

約数の個数: 24

約数和(自身を含む): 36941760

約数和(自身を除く): 8894587

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 1009, 1463, 2527, 3971, 7063, 11099, 19171, 27797, 77693, 134197, 210881, 364249, 1476167, 2549743, 4006739, 28047173]

約数ペア:

[(1, 28047173), (7, 4006739), (11, 2549743), (19, 1476167), (77, 364249), (133, 210881), (209, 134197), (361, 77693), (1009, 27797), (1463, 19171), (2527, 11099), (3971, 7063)]