28415751

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{104087}}^1$

素因数の和:104110

約数の個数: 16

約数和(自身を含む): 46631424

約数和(自身を除く): 18215673

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 104087, 312261, 728609, 1353131, 2185827, 4059393, 9471917, 28415751]

約数ペア:

[(1, 28415751), (3, 9471917), (7, 4059393), (13, 2185827), (21, 1353131), (39, 728609), (91, 312261), (273, 104087)]