28202961

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1628

約数の個数: 16

約数和(自身を含む): 38707200

約数和(自身を除く): 10504239

約数列:

[1, 3, 47, 139, 141, 417, 1439, 4317, 6533, 19599, 67633, 200021, 202899, 600063, 9400987, 28202961]

約数ペア:

[(1, 28202961), (3, 9400987), (47, 600063), (139, 202899), (141, 200021), (417, 67633), (1439, 19599), (4317, 6533)]