28662963

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71837}}^1$

素因数の和:71866

約数の個数: 16

約数和(自身を含む): 45976320

約数和(自身を除く): 17313357

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71837, 215511, 502859, 1364903, 1508577, 4094709, 9554321, 28662963]

約数ペア:

[(1, 28662963), (3, 9554321), (7, 4094709), (19, 1508577), (21, 1364903), (57, 502859), (133, 215511), (399, 71837)]