205317504021

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1\times {\mathrm{4621}}^1$

素因数の和:5314

約数の個数: 64

約数和(自身を含む): 326117670912

約数和(自身を除く): 120800166891

約数列:

[1, 3, 7, 21, 31, 93, 131, 217, 393, 521, 651, 917, 1563, 2751, 3647, 4061, 4621, 10941, 12183, 13863, 16151, 28427, 32347, 48453, 68251, 85281, 97041, 113057, 143251, 204753, 339171, 429753, 477757, 605351, 1002757, 1433271, 1816053, 2115781, 2407541, 3008271, 4237457, 6347343, 7222623, 12712371, 14810467, 16852787, 18765881, 44431401, 50558361, 56297643, 74633771, 131361167, 223901313, 315387871, 394083501, 522436397, 946163613, 1567309191, 2207715097, 6623145291, 9777024001, 29331072003, 68439168007, 205317504021]

約数ペア:

[(1, 205317504021), (3, 68439168007), (7, 29331072003), (21, 9777024001), (31, 6623145291), (93, 2207715097), (131, 1567309191), (217, 946163613), (393, 522436397), (521, 394083501), (651, 315387871), (917, 223901313), (1563, 131361167), (2751, 74633771), (3647, 56297643), (4061, 50558361), (4621, 44431401), (10941, 18765881), (12183, 16852787), (13863, 14810467), (16151, 12712371), (28427, 7222623), (32347, 6347343), (48453, 4237457), (68251, 3008271), (85281, 2407541), (97041, 2115781), (113057, 1816053), (143251, 1433271), (204753, 1002757), (339171, 605351), (429753, 477757)]