207740547

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{24793}}^1$

素因数の和:24832

約数の個数: 36

約数和(自身を含む): 367447080

約数和(自身を除く): 159706533

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 24793, 74379, 173551, 223137, 471067, 520653, 1214857, 1413201, 1561959, 3297469, 3644571, 4239603, 9892407, 10933713, 23082283, 29677221, 69246849, 207740547]

約数ペア:

[(1, 207740547), (3, 69246849), (7, 29677221), (9, 23082283), (19, 10933713), (21, 9892407), (49, 4239603), (57, 3644571), (63, 3297469), (133, 1561959), (147, 1413201), (171, 1214857), (399, 520653), (441, 471067), (931, 223137), (1197, 173551), (2793, 74379), (8379, 24793)]