16628787

素因数分解:

$3^3\times 7^2\times {\mathrm{12569}}^1$

素因数の和:12592

約数の個数: 24

約数和(自身を含む): 28659600

約数和(自身を除く): 12030813

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 12569, 37707, 87983, 113121, 263949, 339363, 615881, 791847, 1847643, 2375541, 5542929, 16628787]

約数ペア:

[(1, 16628787), (3, 5542929), (7, 2375541), (9, 1847643), (21, 791847), (27, 615881), (49, 339363), (63, 263949), (147, 113121), (189, 87983), (441, 37707), (1323, 12569)]