16530003

素因数分解:

$3^2\times 7^2\times {\mathrm{37483}}^1$

素因数の和:37503

約数の個数: 18

約数和(自身を含む): 27775644

約数和(自身を除く): 11245641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 37483, 112449, 262381, 337347, 787143, 1836667, 2361429, 5510001, 16530003]

約数ペア:

[(1, 16530003), (3, 5510001), (7, 2361429), (9, 1836667), (21, 787143), (49, 337347), (63, 262381), (147, 112449), (441, 37483)]