28057617

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2801}}^1$

素因数の和:2870

約数の個数: 32

約数和(自身を含む): 48418560

約数和(自身を除く): 20360943

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2801, 3339, 8403, 10017, 19607, 25209, 58821, 75627, 148453, 176463, 445359, 529389, 1039171, 1336077, 3117513, 4008231, 9352539, 28057617]

約数ペア:

[(1, 28057617), (3, 9352539), (7, 4008231), (9, 3117513), (21, 1336077), (27, 1039171), (53, 529389), (63, 445359), (159, 176463), (189, 148453), (371, 75627), (477, 58821), (1113, 25209), (1431, 19607), (2801, 10017), (3339, 8403)]