128400825

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{34939}}^1$

素因数の和:34966

約数の個数: 36

約数和(自身を含む): 246955920

約数和(自身を除く): 118555095

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 34939, 104817, 174695, 244573, 524085, 733719, 873475, 1222865, 1712011, 2620425, 3668595, 5136033, 6114325, 8560055, 18342975, 25680165, 42800275, 128400825]

約数ペア:

[(1, 128400825), (3, 42800275), (5, 25680165), (7, 18342975), (15, 8560055), (21, 6114325), (25, 5136033), (35, 3668595), (49, 2620425), (75, 1712011), (105, 1222865), (147, 873475), (175, 733719), (245, 524085), (525, 244573), (735, 174695), (1225, 104817), (3675, 34939)]