28102011

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{19973}}^1$

素因数の和:20050

約数の個数: 16

約数和(自身を含む): 43463424

約数和(自身を除く): 15361413

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 19973, 59919, 139811, 419433, 1338191, 4014573, 9367337, 28102011]

約数ペア:

[(1, 28102011), (3, 9367337), (7, 4014573), (21, 1338191), (67, 419433), (201, 139811), (469, 59919), (1407, 19973)]