81912069

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2803}}^1$

素因数の和:3017

約数の個数: 24

約数和(自身を含む): 125978112

約数和(自身を除く): 44066043

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 1719, 2803, 3247, 8409, 9741, 25227, 29223, 47651, 142953, 428859, 535373, 1606119, 4818357, 9101341, 27304023, 81912069]

約数ペア:

[(1, 81912069), (3, 27304023), (9, 9101341), (17, 4818357), (51, 1606119), (153, 535373), (191, 428859), (573, 142953), (1719, 47651), (2803, 29223), (3247, 25227), (8409, 9741)]