858226719

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1087}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 1375266816

約数和(自身を除く): 517040097

約数列:

[1, 3, 7, 21, 41, 49, 123, 131, 147, 287, 393, 861, 917, 1087, 2009, 2751, 3261, 5371, 6027, 6419, 7609, 16113, 19257, 22827, 37597, 44567, 53263, 112791, 133701, 142397, 159789, 263179, 311969, 427191, 789537, 935907, 996779, 2183783, 2990337, 5838277, 6551349, 6977453, 17514831, 20932359, 40867939, 122603817, 286075573, 858226719]

約数ペア:

[(1, 858226719), (3, 286075573), (7, 122603817), (21, 40867939), (41, 20932359), (49, 17514831), (123, 6977453), (131, 6551349), (147, 5838277), (287, 2990337), (393, 2183783), (861, 996779), (917, 935907), (1087, 789537), (2009, 427191), (2751, 311969), (3261, 263179), (5371, 159789), (6027, 142397), (6419, 133701), (7609, 112791), (16113, 53263), (19257, 44567), (22827, 37597)]