2891789721

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{1153}}^1\times {\mathrm{4889}}^1$

素因数の和:6070

約数の個数: 32

約数和(自身を含む): 4514448000

約数和(自身を除く): 1622658279

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 1153, 3459, 4889, 10377, 14667, 21907, 31131, 44001, 65721, 92891, 132003, 197163, 278673, 591489, 836019, 2508057, 5637017, 16911051, 50733153, 107103323, 152199459, 321309969, 963929907, 2891789721]

約数ペア:

[(1, 2891789721), (3, 963929907), (9, 321309969), (19, 152199459), (27, 107103323), (57, 50733153), (171, 16911051), (513, 5637017), (1153, 2508057), (3459, 836019), (4889, 591489), (10377, 278673), (14667, 197163), (21907, 132003), (31131, 92891), (44001, 65721)]