202108977

素因数分解:

$3^2\times 7^4\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 60

約数和(自身を含む): 349564800

約数和(自身を除く): 147455823

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 199, 329, 343, 423, 441, 597, 987, 1029, 1393, 1791, 2303, 2401, 2961, 3087, 4179, 6909, 7203, 9353, 9751, 12537, 16121, 20727, 21609, 28059, 29253, 48363, 65471, 68257, 84177, 87759, 112847, 145089, 196413, 204771, 338541, 458297, 477799, 589239, 614313, 1015623, 1374891, 1433397, 3208079, 4124673, 4300191, 9624237, 22456553, 28872711, 67369659, 202108977]

約数ペア:

[(1, 202108977), (3, 67369659), (7, 28872711), (9, 22456553), (21, 9624237), (47, 4300191), (49, 4124673), (63, 3208079), (141, 1433397), (147, 1374891), (199, 1015623), (329, 614313), (343, 589239), (423, 477799), (441, 458297), (597, 338541), (987, 204771), (1029, 196413), (1393, 145089), (1791, 112847), (2303, 87759), (2401, 84177), (2961, 68257), (3087, 65471), (4179, 48363), (6909, 29253), (7203, 28059), (9353, 21609), (9751, 20727), (12537, 16121)]