28057455

素因数分解:

$3^3\times 5^1\times {\mathrm{207833}}^1$

素因数の和:207847

約数の個数: 16

約数和(自身を含む): 49880160

約数和(自身を除く): 21822705

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 207833, 623499, 1039165, 1870497, 3117495, 5611491, 9352485, 28057455]

約数ペア:

[(1, 28057455), (3, 9352485), (5, 5611491), (9, 3117495), (15, 1870497), (27, 1039165), (45, 623499), (135, 207833)]