72808551

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47309}}^1$

素因数の和:47340

約数の個数: 20

約数和(自身を含む): 114490200

約数和(自身を除く): 41681649

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 47309, 141927, 425781, 898871, 1277343, 2696613, 3832029, 8089839, 24269517, 72808551]

約数ペア:

[(1, 72808551), (3, 24269517), (9, 8089839), (19, 3832029), (27, 2696613), (57, 1277343), (81, 898871), (171, 425781), (513, 141927), (1539, 47309)]