68780691

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21407}}^1$

素因数の和:21440

約数の個数: 32

約数和(自身を含む): 123310080

約数和(自身を除く): 54529389

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 21407, 64221, 149849, 192663, 363919, 449547, 577989, 1091757, 1348641, 2547433, 3275271, 4045923, 7642299, 9825813, 22926897, 68780691]

約数ペア:

[(1, 68780691), (3, 22926897), (7, 9825813), (9, 7642299), (17, 4045923), (21, 3275271), (27, 2547433), (51, 1348641), (63, 1091757), (119, 577989), (153, 449547), (189, 363919), (357, 192663), (459, 149849), (1071, 64221), (3213, 21407)]