209230857

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{523}}^1$

素因数の和:995

約数の個数: 40

約数和(自身を含む): 342381600

約数和(自身を除く): 133150743

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 449, 523, 891, 1347, 1569, 4041, 4707, 4939, 5753, 12123, 14121, 14817, 17259, 36369, 42363, 44451, 51777, 133353, 155331, 234827, 400059, 465993, 704481, 2113443, 2583097, 6340329, 7749291, 19020987, 23247873, 69743619, 209230857]

約数ペア:

[(1, 209230857), (3, 69743619), (9, 23247873), (11, 19020987), (27, 7749291), (33, 6340329), (81, 2583097), (99, 2113443), (297, 704481), (449, 465993), (523, 400059), (891, 234827), (1347, 155331), (1569, 133353), (4041, 51777), (4707, 44451), (4939, 42363), (5753, 36369), (12123, 17259), (14121, 14817)]