7851438

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{20771}}^1$

素因数の和:20789

約数の個数: 32

約数和(自身を含む): 19941120

約数和(自身を除く): 12089682

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 20771, 41542, 62313, 124626, 145397, 186939, 290794, 373878, 436191, 560817, 872382, 1121634, 1308573, 2617146, 3925719, 7851438]

約数ペア:

[(1, 7851438), (2, 3925719), (3, 2617146), (6, 1308573), (7, 1121634), (9, 872382), (14, 560817), (18, 436191), (21, 373878), (27, 290794), (42, 186939), (54, 145397), (63, 124626), (126, 62313), (189, 41542), (378, 20771)]