687411201

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{947}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 997083648

約数和(自身を除く): 309672447

約数列:

[1, 3, 17, 43, 51, 129, 331, 731, 947, 993, 2193, 2841, 5627, 14233, 16099, 16881, 40721, 42699, 48297, 122163, 241961, 313457, 692257, 725883, 940371, 2076771, 5328769, 13478651, 15986307, 40435953, 229137067, 687411201]

約数ペア:

[(1, 687411201), (3, 229137067), (17, 40435953), (43, 15986307), (51, 13478651), (129, 5328769), (331, 2076771), (731, 940371), (947, 725883), (993, 692257), (2193, 313457), (2841, 241961), (5627, 122163), (14233, 48297), (16099, 42699), (16881, 40721)]