28687893

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13879}}^1$

素因数の和:13948

約数の個数: 16

約数和(自身を含む): 41973120

約数和(自身を除く): 13285227

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 13879, 41637, 180427, 541281, 735587, 2206761, 9562631, 28687893]

約数ペア:

[(1, 28687893), (3, 9562631), (13, 2206761), (39, 735587), (53, 541281), (159, 180427), (689, 41637), (2067, 13879)]