128519853

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2053}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 214536192

約数和(自身を除く): 86016339

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 271, 813, 1897, 2053, 2981, 5691, 6159, 8943, 14371, 20867, 22583, 43113, 62601, 67749, 158081, 474243, 556363, 1669089, 3894541, 6119993, 11683623, 18359979, 42839951, 128519853]

約数ペア:

[(1, 128519853), (3, 42839951), (7, 18359979), (11, 11683623), (21, 6119993), (33, 3894541), (77, 1669089), (231, 556363), (271, 474243), (813, 158081), (1897, 67749), (2053, 62601), (2981, 43113), (5691, 22583), (6159, 20867), (8943, 14371)]