78200391

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 116190720

約数和(自身を除く): 37990329

約数列:

[1, 3, 17, 23, 51, 69, 163, 391, 409, 489, 1173, 1227, 2771, 3749, 6953, 8313, 9407, 11247, 20859, 28221, 63733, 66667, 159919, 191199, 200001, 479757, 1133339, 1533341, 3400017, 4600023, 26066797, 78200391]

約数ペア:

[(1, 78200391), (3, 26066797), (17, 4600023), (23, 3400017), (51, 1533341), (69, 1133339), (163, 479757), (391, 200001), (409, 191199), (489, 159919), (1173, 66667), (1227, 63733), (2771, 28221), (3749, 20859), (6953, 11247), (8313, 9407)]