2997477

素因数分解:

$3^2\times 7^3\times {\mathrm{971}}^1$

素因数の和:998

約数の個数: 24

約数和(自身を含む): 5054400

約数和(自身を除く): 2056923

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 971, 1029, 2913, 3087, 6797, 8739, 20391, 47579, 61173, 142737, 333053, 428211, 999159, 2997477]

約数ペア:

[(1, 2997477), (3, 999159), (7, 428211), (9, 333053), (21, 142737), (49, 61173), (63, 47579), (147, 20391), (343, 8739), (441, 6797), (971, 3087), (1029, 2913)]