208055715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 411713280

約数和(自身を除く): 203657565

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 43, 49, 87, 105, 129, 145, 147, 203, 215, 227, 245, 301, 435, 609, 645, 681, 735, 903, 1015, 1135, 1247, 1421, 1505, 1589, 2107, 3045, 3405, 3741, 4263, 4515, 4767, 6235, 6321, 6583, 7105, 7945, 8729, 9761, 10535, 11123, 18705, 19749, 21315, 23835, 26187, 29283, 31605, 32915, 33369, 43645, 46081, 48805, 55615, 61103, 68327, 98745, 130935, 138243, 146415, 166845, 183309, 204981, 230405, 283069, 305515, 322567, 341635, 478289, 691215, 849207, 916545, 967701, 1024905, 1415345, 1434867, 1612835, 1981483, 2391445, 4246035, 4838505, 5944449, 7174335, 9907415, 13870381, 29722245, 41611143, 69351905, 208055715]

約数ペア:

[(1, 208055715), (3, 69351905), (5, 41611143), (7, 29722245), (15, 13870381), (21, 9907415), (29, 7174335), (35, 5944449), (43, 4838505), (49, 4246035), (87, 2391445), (105, 1981483), (129, 1612835), (145, 1434867), (147, 1415345), (203, 1024905), (215, 967701), (227, 916545), (245, 849207), (301, 691215), (435, 478289), (609, 341635), (645, 322567), (681, 305515), (735, 283069), (903, 230405), (1015, 204981), (1135, 183309), (1247, 166845), (1421, 146415), (1505, 138243), (1589, 130935), (2107, 98745), (3045, 68327), (3405, 61103), (3741, 55615), (4263, 48805), (4515, 46081), (4767, 43645), (6235, 33369), (6321, 32915), (6583, 31605), (7105, 29283), (7945, 26187), (8729, 23835), (9761, 21315), (10535, 19749), (11123, 18705)]