1388233

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{149}}^1$

素因数の和:189

約数の個数: 16

約数和(自身を含む): 1756800

約数和(自身を除く): 368567

約数列:

[1, 7, 11, 77, 121, 149, 847, 1043, 1331, 1639, 9317, 11473, 18029, 126203, 198319, 1388233]

約数ペア:

[(1, 1388233), (7, 198319), (11, 126203), (77, 18029), (121, 11473), (149, 9317), (847, 1639), (1043, 1331)]