72857547

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3767}}^1$

素因数の和:4087

約数の個数: 24

約数和(自身を含む): 120696576

約数和(自身を除く): 47839029

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2763, 3767, 6447, 11301, 19341, 26369, 33903, 79107, 237321, 1156469, 3469407, 8095283, 10408221, 24285849, 72857547]

約数ペア:

[(1, 72857547), (3, 24285849), (7, 10408221), (9, 8095283), (21, 3469407), (63, 1156469), (307, 237321), (921, 79107), (2149, 33903), (2763, 26369), (3767, 19341), (6447, 11301)]