208565451

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{15439}}^1$

素因数の和:15543

約数の個数: 24

約数和(自身を含む): 321152000

約数和(自身を除く): 112586549

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 711, 1501, 4503, 13509, 15439, 46317, 138951, 293341, 880023, 1219681, 2640069, 3659043, 10977129, 23173939, 69521817, 208565451]

約数ペア:

[(1, 208565451), (3, 69521817), (9, 23173939), (19, 10977129), (57, 3659043), (79, 2640069), (171, 1219681), (237, 880023), (711, 293341), (1501, 138951), (4503, 46317), (13509, 15439)]