138405789

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1063}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 227066112

約数和(自身を除く): 88660323

約数列:

[1, 3, 9, 17, 23, 37, 51, 69, 111, 153, 207, 333, 391, 629, 851, 1063, 1173, 1887, 2553, 3189, 3519, 5661, 7659, 9567, 14467, 18071, 24449, 39331, 43401, 54213, 73347, 117993, 130203, 162639, 220041, 353979, 415633, 668627, 904613, 1246899, 2005881, 2713839, 3740697, 6017643, 8141517, 15378421, 46135263, 138405789]

約数ペア:

[(1, 138405789), (3, 46135263), (9, 15378421), (17, 8141517), (23, 6017643), (37, 3740697), (51, 2713839), (69, 2005881), (111, 1246899), (153, 904613), (207, 668627), (333, 415633), (391, 353979), (629, 220041), (851, 162639), (1063, 130203), (1173, 117993), (1887, 73347), (2553, 54213), (3189, 43401), (3519, 39331), (5661, 24449), (7659, 18071), (9567, 14467)]