217857541

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 257211360

約数和(自身を除く): 39353819

約数列:

[1, 11, 23, 29, 253, 319, 529, 667, 1291, 5819, 7337, 14201, 15341, 29693, 37439, 168751, 326623, 411829, 682939, 861097, 7512329, 9472067, 19805231, 217857541]

約数ペア:

[(1, 217857541), (11, 19805231), (23, 9472067), (29, 7512329), (253, 861097), (319, 682939), (529, 411829), (667, 326623), (1291, 168751), (5819, 37439), (7337, 29693), (14201, 15341)]