991011

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 1548288

約数和(自身を除く): 557277

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1151, 3453, 8057, 24171, 47191, 141573, 330337, 991011]

約数ペア:

[(1, 991011), (3, 330337), (7, 141573), (21, 47191), (41, 24171), (123, 8057), (287, 3453), (861, 1151)]