388899357

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{967}}^1\times {\mathrm{1741}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 647522304

約数和(自身を除く): 258622947

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 967, 1741, 2901, 5223, 6769, 10637, 12187, 19151, 20307, 31911, 36561, 57453, 74459, 134057, 223377, 402171, 1683547, 5050641, 11784829, 18519017, 35354487, 55557051, 129633119, 388899357]

約数ペア:

[(1, 388899357), (3, 129633119), (7, 55557051), (11, 35354487), (21, 18519017), (33, 11784829), (77, 5050641), (231, 1683547), (967, 402171), (1741, 223377), (2901, 134057), (5223, 74459), (6769, 57453), (10637, 36561), (12187, 31911), (19151, 20307)]