1321173

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 2220608

約数和(自身を除く): 899435

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 313, 469, 603, 939, 1407, 2191, 2817, 4221, 6573, 19719, 20971, 62913, 146797, 188739, 440391, 1321173]

約数ペア:

[(1, 1321173), (3, 440391), (7, 188739), (9, 146797), (21, 62913), (63, 20971), (67, 19719), (201, 6573), (313, 4221), (469, 2817), (603, 2191), (939, 1407)]