861048375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{208739}}^1$

素因数の和:208768

約数の個数: 32

約数和(自身を含む): 1563045120

約数和(自身を除く): 701996745

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 208739, 626217, 1043695, 2296129, 3131085, 5218475, 6888387, 11480645, 15655425, 26092375, 34441935, 57403225, 78277125, 172209675, 287016125, 861048375]

約数ペア:

[(1, 861048375), (3, 287016125), (5, 172209675), (11, 78277125), (15, 57403225), (25, 34441935), (33, 26092375), (55, 15655425), (75, 11480645), (125, 6888387), (165, 5218475), (275, 3131085), (375, 2296129), (825, 1043695), (1375, 626217), (4125, 208739)]