27123789

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6907}}^1$

素因数の和:6945

約数の個数: 32

約数和(自身を含む): 47748096

約数和(自身を除く): 20624307

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 6907, 20721, 48349, 75977, 117419, 145047, 227931, 352257, 531839, 821933, 1291609, 1595517, 2465799, 3874827, 9041263, 27123789]

約数ペア:

[(1, 27123789), (3, 9041263), (7, 3874827), (11, 2465799), (17, 1595517), (21, 1291609), (33, 821933), (51, 531839), (77, 352257), (119, 227931), (187, 145047), (231, 117419), (357, 75977), (561, 48349), (1309, 20721), (3927, 6907)]