26780451999

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{599}}^1\times {\mathrm{9547}}^1$

素因数の和:10379

約数の個数: 32

約数和(自身を含む): 41064038400

約数和(自身を除く): 14283586401

約数列:

[1, 3, 7, 21, 223, 599, 669, 1561, 1797, 4193, 4683, 9547, 12579, 28641, 66829, 133577, 200487, 400731, 935039, 2128981, 2805117, 5718653, 6386943, 14902867, 17155959, 40030571, 44708601, 120091713, 1275259619, 3825778857, 8926817333, 26780451999]

約数ペア:

[(1, 26780451999), (3, 8926817333), (7, 3825778857), (21, 1275259619), (223, 120091713), (599, 44708601), (669, 40030571), (1561, 17155959), (1797, 14902867), (4193, 6386943), (4683, 5718653), (9547, 2805117), (12579, 2128981), (28641, 935039), (66829, 400731), (133577, 200487)]