128205993

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{47431}}^1$

素因数の和:47504

約数の個数: 16

約数和(自身を含む): 184415616

約数和(自身を除く): 56209623

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 47431, 142293, 806327, 2418981, 2513843, 7541529, 42735331, 128205993]

約数ペア:

[(1, 128205993), (3, 42735331), (17, 7541529), (51, 2513843), (53, 2418981), (159, 806327), (901, 142293), (2703, 47431)]