135775521

素因数分解:

$3^7\times 7^3\times {\mathrm{181}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 238784000

約数和(自身を除く): 103008479

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 181, 189, 243, 343, 441, 543, 567, 729, 1029, 1267, 1323, 1629, 1701, 2187, 3087, 3801, 3969, 4887, 5103, 8869, 9261, 11403, 11907, 14661, 15309, 26607, 27783, 34209, 35721, 43983, 62083, 79821, 83349, 102627, 107163, 131949, 186249, 239463, 250047, 307881, 395847, 558747, 718389, 750141, 923643, 1676241, 2155167, 2770929, 5028723, 6465501, 15086169, 19396503, 45258507, 135775521]

約数ペア:

[(1, 135775521), (3, 45258507), (7, 19396503), (9, 15086169), (21, 6465501), (27, 5028723), (49, 2770929), (63, 2155167), (81, 1676241), (147, 923643), (181, 750141), (189, 718389), (243, 558747), (343, 395847), (441, 307881), (543, 250047), (567, 239463), (729, 186249), (1029, 131949), (1267, 107163), (1323, 102627), (1629, 83349), (1701, 79821), (2187, 62083), (3087, 43983), (3801, 35721), (3969, 34209), (4887, 27783), (5103, 26607), (8869, 15309), (9261, 14661), (11403, 11907)]