42878087

素因数分解:

$7^3\times {\mathrm{41}}^1\times {\mathrm{3049}}^1$

素因数の和:3111

約数の個数: 16

約数和(自身を含む): 51240000

約数和(自身を除く): 8361913

約数列:

[1, 7, 41, 49, 287, 343, 2009, 3049, 14063, 21343, 125009, 149401, 875063, 1045807, 6125441, 42878087]

約数ペア:

[(1, 42878087), (7, 6125441), (41, 1045807), (49, 875063), (287, 149401), (343, 125009), (2009, 21343), (3049, 14063)]