204879945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{3407}}^1$

素因数の和:3645

約数の個数: 32

約数和(自身を含む): 346798080

約数和(自身を除く): 141918135

約数列:

[1, 3, 5, 15, 19, 57, 95, 211, 285, 633, 1055, 3165, 3407, 4009, 10221, 12027, 17035, 20045, 51105, 60135, 64733, 194199, 323665, 718877, 970995, 2156631, 3594385, 10783155, 13658663, 40975989, 68293315, 204879945]

約数ペア:

[(1, 204879945), (3, 68293315), (5, 40975989), (15, 13658663), (19, 10783155), (57, 3594385), (95, 2156631), (211, 970995), (285, 718877), (633, 323665), (1055, 194199), (3165, 64733), (3407, 60135), (4009, 51105), (10221, 20045), (12027, 17035)]