138766383

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{13681}}^1$

素因数の和:13724

約数の個数: 36

約数和(自身を含む): 243320688

約数和(自身を除く): 104554305

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 13681, 41043, 95767, 123129, 287301, 314663, 670369, 861903, 943989, 2011107, 2202641, 2831967, 6033321, 6607923, 15418487, 19823769, 46255461, 138766383]

約数ペア:

[(1, 138766383), (3, 46255461), (7, 19823769), (9, 15418487), (21, 6607923), (23, 6033321), (49, 2831967), (63, 2202641), (69, 2011107), (147, 943989), (161, 861903), (207, 670369), (441, 314663), (483, 287301), (1127, 123129), (1449, 95767), (3381, 41043), (10143, 13681)]