28188729

素因数分解:

$3^5\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 42474432

約数和(自身を除く): 14285703

約数列:

[1, 3, 9, 27, 81, 243, 311, 373, 933, 1119, 2799, 3357, 8397, 10071, 25191, 30213, 75573, 90639, 116003, 348009, 1044027, 3132081, 9396243, 28188729]

約数ペア:

[(1, 28188729), (3, 9396243), (9, 3132081), (27, 1044027), (81, 348009), (243, 116003), (311, 90639), (373, 75573), (933, 30213), (1119, 25191), (2799, 10071), (3357, 8397)]