27400163

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 33078240

約数和(自身を除く): 5678077

約数列:

[1, 7, 49, 61, 89, 103, 427, 623, 721, 2989, 4361, 5047, 5429, 6283, 9167, 38003, 43981, 64169, 266021, 307867, 449183, 559187, 3914309, 27400163]

約数ペア:

[(1, 27400163), (7, 3914309), (49, 559187), (61, 449183), (89, 307867), (103, 266021), (427, 64169), (623, 43981), (721, 38003), (2989, 9167), (4361, 6283), (5047, 5429)]