28764531

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{20101}}^1$

素因数の和:20163

約数の個数: 16

約数和(自身を含む): 43420320

約数和(自身を除く): 14655789

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 20101, 60303, 180909, 542727, 1065353, 3196059, 9588177, 28764531]

約数ペア:

[(1, 28764531), (3, 9588177), (9, 3196059), (27, 1065353), (53, 542727), (159, 180909), (477, 60303), (1431, 20101)]