15378979

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 19679744

約数和(自身を除く): 4300765

約数列:

[1, 7, 11, 67, 77, 121, 271, 469, 737, 847, 1897, 2981, 5159, 8107, 18157, 20867, 32791, 56749, 127099, 199727, 229537, 1398089, 2196997, 15378979]

約数ペア:

[(1, 15378979), (7, 2196997), (11, 1398089), (67, 229537), (77, 199727), (121, 127099), (271, 56749), (469, 32791), (737, 20867), (847, 18157), (1897, 8107), (2981, 5159)]