871325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 1333248

約数和(自身を除く): 461923

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 383, 455, 1915, 2275, 2681, 4979, 9575, 13405, 24895, 34853, 67025, 124475, 174265, 871325]

約数ペア:

[(1, 871325), (5, 174265), (7, 124475), (13, 67025), (25, 34853), (35, 24895), (65, 13405), (91, 9575), (175, 4979), (325, 2681), (383, 2275), (455, 1915)]