1388667

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 2142720

約数和(自身を除く): 754053

約数列:

[1, 3, 7, 21, 89, 267, 623, 743, 1869, 2229, 5201, 15603, 66127, 198381, 462889, 1388667]

約数ペア:

[(1, 1388667), (3, 462889), (7, 198381), (21, 66127), (89, 15603), (267, 5201), (623, 2229), (743, 1869)]