40991391

素因数分解:

$3^2\times 7^2\times {\mathrm{92951}}^1$

素因数の和:92971

約数の個数: 18

約数和(自身を含む): 68877432

約数和(自身を除く): 27886041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 92951, 278853, 650657, 836559, 1951971, 4554599, 5855913, 13663797, 40991391]

約数ペア:

[(1, 40991391), (3, 13663797), (7, 5855913), (9, 4554599), (21, 1951971), (49, 836559), (63, 650657), (147, 278853), (441, 92951)]