428417199

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{81931}}^1$

素因数の和:82027

約数の個数: 24

約数和(自身を含む): 715757952

約数和(自身を除く): 287340753

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 81931, 245793, 573517, 737379, 1720551, 5161653, 6800273, 20400819, 47601911, 61202457, 142805733, 428417199]

約数ペア:

[(1, 428417199), (3, 142805733), (7, 61202457), (9, 47601911), (21, 20400819), (63, 6800273), (83, 5161653), (249, 1720551), (581, 737379), (747, 573517), (1743, 245793), (5229, 81931)]