71816985

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{9791}}^1$

素因数の和:9965

約数の個数: 24

約数和(自身を含む): 125259264

約数和(自身を除く): 53442279

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 7335, 9791, 29373, 48955, 88119, 146865, 440595, 1595933, 4787799, 7979665, 14363397, 23938995, 71816985]

約数ペア:

[(1, 71816985), (3, 23938995), (5, 14363397), (9, 7979665), (15, 4787799), (45, 1595933), (163, 440595), (489, 146865), (815, 88119), (1467, 48955), (2445, 29373), (7335, 9791)]