209076399

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 378012960

約数和(自身を除く): 168936561

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 317, 361, 399, 551, 609, 951, 1083, 1197, 1653, 1827, 2219, 2527, 2853, 3249, 3857, 4959, 6023, 6657, 7581, 9193, 10469, 11571, 18069, 19971, 22743, 27579, 31407, 34713, 42161, 54207, 64351, 73283, 82737, 94221, 114437, 126483, 174667, 193053, 219849, 343311, 379449, 524001, 579159, 659547, 801059, 1029933, 1222669, 1572003, 2403177, 3318673, 3668007, 7209531, 9956019, 11004021, 23230711, 29868057, 69692133, 209076399]

約数ペア:

[(1, 209076399), (3, 69692133), (7, 29868057), (9, 23230711), (19, 11004021), (21, 9956019), (29, 7209531), (57, 3668007), (63, 3318673), (87, 2403177), (133, 1572003), (171, 1222669), (203, 1029933), (261, 801059), (317, 659547), (361, 579159), (399, 524001), (551, 379449), (609, 343311), (951, 219849), (1083, 193053), (1197, 174667), (1653, 126483), (1827, 114437), (2219, 94221), (2527, 82737), (2853, 73283), (3249, 64351), (3857, 54207), (4959, 42161), (6023, 34713), (6657, 31407), (7581, 27579), (9193, 22743), (10469, 19971), (11571, 18069)]