291278001

素因数分解:

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

素因数の和:323

約数の個数: 64

約数和(自身を含む): 481536000

約数和(自身を除く): 190257999

約数列:

[1, 3, 7, 21, 29, 43, 49, 87, 129, 147, 203, 227, 301, 343, 609, 681, 903, 1029, 1247, 1421, 1589, 2107, 3741, 4263, 4767, 6321, 6583, 8729, 9761, 9947, 11123, 14749, 19749, 26187, 29283, 29841, 33369, 44247, 46081, 61103, 68327, 77861, 138243, 183309, 204981, 233583, 283069, 322567, 427721, 478289, 849207, 967701, 1283163, 1434867, 1981483, 2257969, 3348023, 5944449, 6773907, 10044069, 13870381, 41611143, 97092667, 291278001]

約数ペア:

[(1, 291278001), (3, 97092667), (7, 41611143), (21, 13870381), (29, 10044069), (43, 6773907), (49, 5944449), (87, 3348023), (129, 2257969), (147, 1981483), (203, 1434867), (227, 1283163), (301, 967701), (343, 849207), (609, 478289), (681, 427721), (903, 322567), (1029, 283069), (1247, 233583), (1421, 204981), (1589, 183309), (2107, 138243), (3741, 77861), (4263, 68327), (4767, 61103), (6321, 46081), (6583, 44247), (8729, 33369), (9761, 29841), (9947, 29283), (11123, 26187), (14749, 19749)]