1390492047

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1249319}}^1$

素因数の和:1249382

約数の個数: 16

約数和(自身を含む): 2158824960

約数和(自身を除く): 768332913

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 1249319, 3747957, 8745233, 26235699, 66213907, 198641721, 463497349, 1390492047]

約数ペア:

[(1, 1390492047), (3, 463497349), (7, 198641721), (21, 66213907), (53, 26235699), (159, 8745233), (371, 3747957), (1113, 1249319)]