123784191

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{47591}}^1$

素因数の和:47631

約数の個数: 18

約数和(自身を含む): 189939672

約数和(自身を除く): 66155481

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 47591, 142773, 428319, 809047, 2427141, 7281423, 13753799, 41261397, 123784191]

約数ペア:

[(1, 123784191), (3, 41261397), (9, 13753799), (17, 7281423), (51, 2427141), (153, 809047), (289, 428319), (867, 142773), (2601, 47591)]