28019757

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2089}}^1$

素因数の和:2372

約数の個数: 16

約数和(自身を含む): 39726720

約数和(自身を除く): 11706963

約数列:

[1, 3, 17, 51, 263, 789, 2089, 4471, 6267, 13413, 35513, 106539, 549407, 1648221, 9339919, 28019757]

約数ペア:

[(1, 28019757), (3, 9339919), (17, 1648221), (51, 549407), (263, 106539), (789, 35513), (2089, 13413), (4471, 6267)]