2991051

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 4983264

約数和(自身を除く): 1992213

約数列:

[1, 3, 7, 9, 21, 63, 197, 241, 591, 723, 1379, 1687, 1773, 2169, 4137, 5061, 12411, 15183, 47477, 142431, 332339, 427293, 997017, 2991051]

約数ペア:

[(1, 2991051), (3, 997017), (7, 427293), (9, 332339), (21, 142431), (63, 47477), (197, 15183), (241, 12411), (591, 5061), (723, 4137), (1379, 2169), (1687, 1773)]