51243921

素因数分解:

$3^4\times {\mathrm{449}}^1\times {\mathrm{1409}}^1$

素因数の和:1870

約数の個数: 20

約数和(自身を含む): 76774500

約数和(自身を除く): 25530579

約数列:

[1, 3, 9, 27, 81, 449, 1347, 1409, 4041, 4227, 12123, 12681, 36369, 38043, 114129, 632641, 1897923, 5693769, 17081307, 51243921]

約数ペア:

[(1, 51243921), (3, 17081307), (9, 5693769), (27, 1897923), (81, 632641), (449, 114129), (1347, 38043), (1409, 36369), (4041, 12681), (4227, 12123)]