20750115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81373}}^1$

素因数の和:81398

約数の個数: 16

約数和(自身を含む): 35153568

約数和(自身を除く): 14403453

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 81373, 244119, 406865, 1220595, 1383341, 4150023, 6916705, 20750115]

約数ペア:

[(1, 20750115), (3, 6916705), (5, 4150023), (15, 1383341), (17, 1220595), (51, 406865), (85, 244119), (255, 81373)]